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Veg Footprint: 4' X 4'
Flower Footprint: 3' x 3' to 3.5' x 3.5'
Wattage draw at the wall: 420W
Spectrum: Full

Growers Choice ROI-E420 Premium Commercial and Home LED Grow Light are a true full spectrum, compact horticulture LED fixture. These LED fixtures are high performance and cost-effective lighting solution for both commercial and hobby growers, alike. ROI-E420 is inspired by a collaboration between two of the most prominent and respected companies in the indoor grow lighting industry: TSL Horti Tech and Growers Choice. These two manufacturer's collaborated with their years of innovative experience to create this high performance and cost-effective lighting solution for commercial horticulture.


      ROI-E420 Product Features

      • 420W power draw
      • 2.6 umol/j efficacy
      • 1090 umol/s total light output
      • Up to 4'x4' (16 sq ft) coverage area 
      • GC-3k Full Spectrum with 660nm deep red (Osram diodes)
      • Onboard dimming function 0-10v
      • Compatible with Grower's Choice Master Lighting controller 
      • Even light distribution
      • Operating temperature: -20°C to +45°C
      • Operating/input voltage: 110-277v AC
      • Fanless Design
      • IP65 Waterproof
      • UL8800, UL1598, DLC and CE certification
      • 5Year warranty

        Spectrum


        Optional Master Controller

        The Optional Master Controller for the ROI-420 is a comprehensive accessory that adds key features including timed operation, Daylight Harvest Control, Dimming Control and Power Disable Control. This dual-channel controller allows daisy-chaining up to 100 fixtures per zone. Enabling complete control of your growing environment with timed on/off switching, sunrise/sunset, and precise temperature readings with dual thermal probes and thermal-threshold auto dim-shutdown for additional protection.

        Grower's Choice ROI-E420 Specifications

        Wattage draw at the wall: 420 watts

        HPS equivalent: 800w 

        LEDs: Osram LEDs; 54,000-hour lifespan until L90

        Spectrum: GC-3K Full Phase; Full spectrum with 660nm deep red

        PPF (light output): 1090 umol/s

          PPF/Watt: 2.6 umol/j

          Beam angle: 120°

          Coverage area:

          • Flower: 3' x 3' to 3.5' x 3.5'
          • Veg: 4' x 4' 

          Mounting height: 6"-24" above canopy

          Dimensions: 35.3” L x 34.6” W x 3.2” H

          Cooling: Passive

          Dimming: Dimmable on unit, more controllability with controller (not included)

          Operating temperature: -20°C to +45°C

          Operating/input voltage: 110-277v AC

          Plug: NEMA 5-15P 120V plug, NEMA 6-15P 240V plug adapter included

          Amperage: 120V: 4.0A / 208V: 2.5A / 240V: 2.0A / 277V: 1.8A

          Product weight: 19.4 lbs

          Additional details: IP65; UL8800, UL1598, DLC and CE certification

            Recommended for: Home grows, Commercial grows, Grow rooms, Tents

            Manufacturer's Warranty: 5-years

              Free Shipping We offer Free Shipping over $100

                 

              Most products ship within 1 to 3 business days from the date of your order (unless indicated on the product page). Some items take a bit longer to ship since they are built to order (i.e., Timber Grow Lights, ChilLED Tech, Trimmers, etc). We will send you tracking information as soon as it is available.

              Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

              Every transaction at ShopGrowSpaces.com is guaranteed to be safe.

              This site uses SSL encryption technology that so that you never have to worry about credit card safety.

              Statistically online purchases are safer than using your credit card at a department store or a gas station.  Experts have shown that online purchases are far safer than in person credit card transactions because the information is immediately encrypted into a scrambled message that can only be decrypted by an authorized computer.

              Still don’t want to use your credit card on the World Wide Web?

              We’ve got you covered! Simply call us at +1 (307)-284-3072 and we will gladly help you place your order.

              We know you have a choice in online shopping, and we want to do all that we can do to earn your business. We not only want to earn it, but we want to keep it as well!. Here are the top reasons to buy from ShopGrowSpaces.com 

              Manufacturer Direct
              As an online based store, we ship directly from our wholesaler warehouses, which means we can pass the savings directly to our customers.

              Lowest Prices Guaranteed
              We work tirelessly to ensure we have the lowest prices in the online market for our range of products. We're that confident that we'll beat any competitor's price by 10%. Check out our Best Price Guarantee policy.

              Fast Dispatch
              Orders are dispatched usually within 2 business days(post order processing & handling). You'll get an email confirmation of shipping with tracking ID when your order leaves our warehouse.

              Secure Payments
              Our online store is Shopify-based with SSL Encryption on all our pages, content and data. This simply means you're always safe when shopping with us.

              12-24 Month Manufacturer's Warranty
              All our products come with a 12-24 month manufacturer's warranty.

              Dedicated Customer Support
              Our dedicated team of specialists are available 7 days a week to answer your queries. Talk to us by phone, email or live chat!


              DELIVERY

              Please note that shipping charges includes delivery to the front of your house only. Please consider planning ahead if the items you order are heavy/large to get them to their desired location.

              We ShopGrowSpaces wants you to feel confident that you are getting the absolute best price for the product you are ordering.

              We work very hard to ensure that we offer the absolute best prices online. If you find another online store that offers a lower price then us within 30 days of your purchase date please let us know and we will refund your original payment for the difference. We want you to feel confident that you are getting the absolute best price for the product you are ordering. If you find that our own website has a lower price for the same item you have ordered within 30 days of your purchase date will refund the difference as well.

              To request your partial refund, simply e-mail us a link to the same product on our website, or on our competitor's website, within 30 days from the date of your order and we will process the credit accordingly.

              Our 100% Price Guarantee has some limitations:

              • You must purchase the item from our website before requesting your Price Match Guarantee
              • Promotions such as rebates and "buy one, get one free" offers are not eligible
              • The item must be in stock on the competitor's website
              • The competitor must be an online store, they may not have a retail location
              • The website can not be a discounter or auction website (ie; eBay, overstock, Walmart, Amazon, etc..)
              • The competitor must be an Authorized Retailer of the product in question
              • The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax

              LOWEST PRICE GUARANTEE TERMS:

              CLAIM

              You will be required to provide the following information:

              • Proof of guarantee: 
                Your Shopping Guarantee number and your email address used during the eligible transaction. The Shopping Guarantee number is provided to you on the order confirmation page from your merchant or the Certificate of Guarantee email.
              • Details about the transaction: 
                Web site where the eligible purchase was made, date of purchase, amount paid, description of the item and SKU (if applicable). This information is typically included in the purchase confirmation email you received from the merchant.
              • Proof of lower price:
                We recommend that you send us a screenshot and the URL of the same item you purchased, showing the new price. We cannot accept printed materials, or email text as proof of the lower price.

              All claims must be made by sending an email to PriceClaim@NortonShoppingGuarantee.com. Our staff will verify your claim within 10 business days. We reserve the right to contact you and the merchant in order to get more information. All claims must be made in English.

              SERVICE CONDITIONS AND LIMITATIONS

              1. You must make a claim following the instructions above. We will review such claim for completeness and legitimacy, and, if approved, will make payment directly to you.
              2. Lowest Price Guarantee, when included with the Norton Shopping Guarantee you receive, is available only as follows:
                • To be eligible, the value of a claim must be greater than $5 USD, but may not exceed $100 USD. per transaction. The maximum amount that you can claim in any 12-month period is $200 USD.
                • The price reduction must be on the same item, with the same item SKU (if applicable), offered for sale on the same merchant's Web site, under the same merchant terms and conditions.
                • For ticket purchases, such as sporting events, shows, concerts, etc., the price reduction must be for the same date and time, same show, same venue, and same quantity of tickets. Seats must be in the same section and in the same row or better.
                • Lowest Price Guarantee does not apply to any of the following:
                    • Any item to which a volume discount, a coupon, a bundling arrangement (such as two-for-one), a customer rebate, an inventory liquidation, "Closeout Sale", "going out of business", "free offer", "CyberMonday", "Deal of the Day" promotion or other similar special promotional pricing mechanism is applied.
                    • Shipping, handling, taxes, surcharges, and any other similar fees.
                    • Any currency fluctuation. All claims will be reviewed in US dollar only as priced on the merchant's Website.
                    • Any partial, incomplete or cancelled orders, or any order for which a Purchase Guarantee claim has been submitted.
                    • One-of-a kind items (including antiques, artwork, rare coins and furs).
                    • Limited edition items.
                    • Services and additional costs (such as installation charges, extended or supplemental warranties, or memberships).
                    • Used, altered, rebuilt and refurbished items.
                    • Custom-built items.
                    • Land and buildings.
                    • Negotiable instruments (such as promissory notes, stamps and travelers checks).
                    • Items provided under a leasing arrangement.
                    • Cash or cash equivalent.
                    • Items that do not have a standard SKU will not be eligible for Price Guarantee.elec

                    Description

                    Veg Footprint: 4' X 4'
                    Flower Footprint: 3' x 3' to 3.5' x 3.5'
                    Wattage draw at the wall: 420W
                    Spectrum: Full

                    Growers Choice ROI-E420 Premium Commercial and Home LED Grow Light are a true full spectrum, compact horticulture LED fixture. These LED fixtures are high performance and cost-effective lighting solution for both commercial and hobby growers, alike. ROI-E420 is inspired by a collaboration between two of the most prominent and respected companies in the indoor grow lighting industry: TSL Horti Tech and Growers Choice. These two manufacturer's collaborated with their years of innovative experience to create this high performance and cost-effective lighting solution for commercial horticulture.


                        ROI-E420 Product Features

                        • 420W power draw
                        • 2.6 umol/j efficacy
                        • 1090 umol/s total light output
                        • Up to 4'x4' (16 sq ft) coverage area 
                        • GC-3k Full Spectrum with 660nm deep red (Osram diodes)
                        • Onboard dimming function 0-10v
                        • Compatible with Grower's Choice Master Lighting controller 
                        • Even light distribution
                        • Operating temperature: -20°C to +45°C
                        • Operating/input voltage: 110-277v AC
                        • Fanless Design
                        • IP65 Waterproof
                        • UL8800, UL1598, DLC and CE certification
                        • 5Year warranty

                          Spectrum


                          Optional Master Controller

                          The Optional Master Controller for the ROI-420 is a comprehensive accessory that adds key features including timed operation, Daylight Harvest Control, Dimming Control and Power Disable Control. This dual-channel controller allows daisy-chaining up to 100 fixtures per zone. Enabling complete control of your growing environment with timed on/off switching, sunrise/sunset, and precise temperature readings with dual thermal probes and thermal-threshold auto dim-shutdown for additional protection.

                          Grower's Choice ROI-E420 Specifications

                          Wattage draw at the wall: 420 watts

                          HPS equivalent: 800w 

                          LEDs: Osram LEDs; 54,000-hour lifespan until L90

                          Spectrum: GC-3K Full Phase; Full spectrum with 660nm deep red

                          PPF (light output): 1090 umol/s

                            PPF/Watt: 2.6 umol/j

                            Beam angle: 120°

                            Coverage area:

                            • Flower: 3' x 3' to 3.5' x 3.5'
                            • Veg: 4' x 4' 

                            Mounting height: 6"-24" above canopy

                            Dimensions: 35.3” L x 34.6” W x 3.2” H

                            Cooling: Passive

                            Dimming: Dimmable on unit, more controllability with controller (not included)

                            Operating temperature: -20°C to +45°C

                            Operating/input voltage: 110-277v AC

                            Plug: NEMA 5-15P 120V plug, NEMA 6-15P 240V plug adapter included

                            Amperage: 120V: 4.0A / 208V: 2.5A / 240V: 2.0A / 277V: 1.8A

                            Product weight: 19.4 lbs

                            Additional details: IP65; UL8800, UL1598, DLC and CE certification

                              Recommended for: Home grows, Commercial grows, Grow rooms, Tents

                              Manufacturer's Warranty: 5-years

                                Free Shipping

                                Free Shipping We offer Free Shipping over $100

                                   

                                Most products ship within 1 to 3 business days from the date of your order (unless indicated on the product page). Some items take a bit longer to ship since they are built to order (i.e., Timber Grow Lights, ChilLED Tech, Trimmers, etc). We will send you tracking information as soon as it is available.

                                Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

                                Online Security

                                Every transaction at ShopGrowSpaces.com is guaranteed to be safe.

                                This site uses SSL encryption technology that so that you never have to worry about credit card safety.

                                Statistically online purchases are safer than using your credit card at a department store or a gas station.  Experts have shown that online purchases are far safer than in person credit card transactions because the information is immediately encrypted into a scrambled message that can only be decrypted by an authorized computer.

                                Still don’t want to use your credit card on the World Wide Web?

                                We’ve got you covered! Simply call us at +1 (307)-284-3072 and we will gladly help you place your order.

                                Why Buy From Us

                                We know you have a choice in online shopping, and we want to do all that we can do to earn your business. We not only want to earn it, but we want to keep it as well!. Here are the top reasons to buy from ShopGrowSpaces.com 

                                Manufacturer Direct
                                As an online based store, we ship directly from our wholesaler warehouses, which means we can pass the savings directly to our customers.

                                Lowest Prices Guaranteed
                                We work tirelessly to ensure we have the lowest prices in the online market for our range of products. We're that confident that we'll beat any competitor's price by 10%. Check out our Best Price Guarantee policy.

                                Fast Dispatch
                                Orders are dispatched usually within 2 business days(post order processing & handling). You'll get an email confirmation of shipping with tracking ID when your order leaves our warehouse.

                                Secure Payments
                                Our online store is Shopify-based with SSL Encryption on all our pages, content and data. This simply means you're always safe when shopping with us.

                                12-24 Month Manufacturer's Warranty
                                All our products come with a 12-24 month manufacturer's warranty.

                                Dedicated Customer Support
                                Our dedicated team of specialists are available 7 days a week to answer your queries. Talk to us by phone, email or live chat!


                                DELIVERY

                                Please note that shipping charges includes delivery to the front of your house only. Please consider planning ahead if the items you order are heavy/large to get them to their desired location.

                                Price Guarantee

                                We ShopGrowSpaces wants you to feel confident that you are getting the absolute best price for the product you are ordering.

                                We work very hard to ensure that we offer the absolute best prices online. If you find another online store that offers a lower price then us within 30 days of your purchase date please let us know and we will refund your original payment for the difference. We want you to feel confident that you are getting the absolute best price for the product you are ordering. If you find that our own website has a lower price for the same item you have ordered within 30 days of your purchase date will refund the difference as well.

                                To request your partial refund, simply e-mail us a link to the same product on our website, or on our competitor's website, within 30 days from the date of your order and we will process the credit accordingly.

                                Our 100% Price Guarantee has some limitations:

                                • You must purchase the item from our website before requesting your Price Match Guarantee
                                • Promotions such as rebates and "buy one, get one free" offers are not eligible
                                • The item must be in stock on the competitor's website
                                • The competitor must be an online store, they may not have a retail location
                                • The website can not be a discounter or auction website (ie; eBay, overstock, Walmart, Amazon, etc..)
                                • The competitor must be an Authorized Retailer of the product in question
                                • The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax

                                LOWEST PRICE GUARANTEE TERMS:

                                CLAIM

                                You will be required to provide the following information:

                                • Proof of guarantee: 
                                  Your Shopping Guarantee number and your email address used during the eligible transaction. The Shopping Guarantee number is provided to you on the order confirmation page from your merchant or the Certificate of Guarantee email.
                                • Details about the transaction: 
                                  Web site where the eligible purchase was made, date of purchase, amount paid, description of the item and SKU (if applicable). This information is typically included in the purchase confirmation email you received from the merchant.
                                • Proof of lower price:
                                  We recommend that you send us a screenshot and the URL of the same item you purchased, showing the new price. We cannot accept printed materials, or email text as proof of the lower price.

                                All claims must be made by sending an email to PriceClaim@NortonShoppingGuarantee.com. Our staff will verify your claim within 10 business days. We reserve the right to contact you and the merchant in order to get more information. All claims must be made in English.

                                SERVICE CONDITIONS AND LIMITATIONS

                                1. You must make a claim following the instructions above. We will review such claim for completeness and legitimacy, and, if approved, will make payment directly to you.
                                2. Lowest Price Guarantee, when included with the Norton Shopping Guarantee you receive, is available only as follows:
                                  • To be eligible, the value of a claim must be greater than $5 USD, but may not exceed $100 USD. per transaction. The maximum amount that you can claim in any 12-month period is $200 USD.
                                  • The price reduction must be on the same item, with the same item SKU (if applicable), offered for sale on the same merchant's Web site, under the same merchant terms and conditions.
                                  • For ticket purchases, such as sporting events, shows, concerts, etc., the price reduction must be for the same date and time, same show, same venue, and same quantity of tickets. Seats must be in the same section and in the same row or better.
                                  • Lowest Price Guarantee does not apply to any of the following:
                                      • Any item to which a volume discount, a coupon, a bundling arrangement (such as two-for-one), a customer rebate, an inventory liquidation, "Closeout Sale", "going out of business", "free offer", "CyberMonday", "Deal of the Day" promotion or other similar special promotional pricing mechanism is applied.
                                      • Shipping, handling, taxes, surcharges, and any other similar fees.
                                      • Any currency fluctuation. All claims will be reviewed in US dollar only as priced on the merchant's Website.
                                      • Any partial, incomplete or cancelled orders, or any order for which a Purchase Guarantee claim has been submitted.
                                      • One-of-a kind items (including antiques, artwork, rare coins and furs).
                                      • Limited edition items.
                                      • Services and additional costs (such as installation charges, extended or supplemental warranties, or memberships).
                                      • Used, altered, rebuilt and refurbished items.
                                      • Custom-built items.
                                      • Land and buildings.
                                      • Negotiable instruments (such as promissory notes, stamps and travelers checks).
                                      • Items provided under a leasing arrangement.
                                      • Cash or cash equivalent.
                                      • Items that do not have a standard SKU will not be eligible for Price Guarantee.elec
                                      Grower's Choice ROI-E420

                                      Grower's Choice ROI-E420

                                      $599.00

                                      Quantity

                                      - +

                                      Controller

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                                      Customer Reviews

                                      Based on 4 reviews
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                                      @
                                      @.
                                      Great led

                                      Did the research Love the product would buy again and recommend to others hands-down.

                                      R
                                      R.b.
                                      Roi e680s

                                      Sturdier construction, better places to hang light from on new design, has a twist knob on each end to hold light in open position, it’ll take a few weeks to see how the plants like it, so far I’m happy with new build.

                                      F
                                      F.P.

                                      Excellent service excellent product

                                      T
                                      T.F.
                                      Best light ever

                                      If you can afford it you should buy one it's the best light I have used do far love it

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