ROI-E420 LED Grow Light
Introducing the ROI-E420 full spectrum, compact horticulture LED fixture. Utilizing Grower's Choice proven 3K full PAR spectrum, this LED is perfect for professional cultivators and grow enthusiasts alike, who require a powerful LED fixture with a lower profile frame. This new, sleek LED is also perfect for the hobby growers or entry level professional cultivators who want to maximize their yields while working with limited space. This fixture performs best using a 4ft x 4ft veg and 3.5ft x 3.5ft flowering footprint, perfect for compact gardens and cultivation tents.
Balanced spectrum, Incorporating Grower's Choice famous GC-3K Full Phase Spectrum for superior growing power with best possible LED diodes available.
1090 μmol/s Total Output | 2.6 μmol/s System Efficacy
ENERGY SAVING & EASY HVAC:
Up to 40% energy saving | 40% less HVAC requirement
With onboard dimming function, growers can set the ideal intensity at any stage of plant growth for optimal photosynthesis activation. Also, it is compatible with most lighting controllers including Grower's Choice Master Lighting controller.
EVEN LIGHT DISTRIBUTION:
Precisely designed to deliver uniform levels of photosynthetic flux density, (PPFD).
Industrial grade manufactured with Osram Top Bin Diodes and ultra efficient driver.
POWER (120-277 VAC)
AMPERAGE (4.0A, 2.5A, 2.0A, 1.8A)
Light Source: LED
Spectrum: GC-3K Full Phase
PPF: 1090 PPF
Input Power: 420W
Efficacy: 2.6 μmol/s
Fixture Dimension/Weight: 35.3"L x 34.6"W x 3.2"H/19.4lbs | 89.6cm L x 88cm W x 8.1cm H/8.8kg
Mounting Height: 6"-24" depending on application
Thermal Management: Passive
Light Distribution: 1200
Lifetime: L90:>54,000 hrs
Power Factor: >90%
Certifications: IP65, CE, UL 8800, UL 1598, DLC
Growers Choice offers an incredible 3 year warranty on their light. If you ever have issues related to a manufacturer defect they will send you a shipping label so you can return it for free. Can't go without your light during the warranty claim? No problem, put a deposit down and they will ship you a new light before having you return the other one.
The ROI-E420 is controllable with Grower's Choice Master Controllers and is compatible with all quality master controllers. Cultivators can set the fixture to turn off and on at desired times, program sunrise/sunset settings, program dimming options and set protective fail safes to dim or turn off fixtures in the event of excessive room temperatures, such as in the event of HVAC failure, potentially saving gardens from heat damage.
Output Range: 10%~115%
Number Of Ballasts Per Output: 100 Max
Max Cable Length Per Group: 100M
Control Voltage Outputs: 2 Group, A/B
Temperature Sensor: 2 Group, A/B
Overheat Protection: Yes
Sunrise/Sunset Period: Yes
Setup Ballast Type: 1000W/945W/750W/630W/600W/500W/315W
Alarm Port: 2 Group, NO/NC
ECM Port: 2 Group, NO/NCCE
Input Voltage: 5VDC // 2000mA
Don't wait for your next crop. Learn about our financing 👉 here.
Use coupon code HAPPY for 5% off at checkout & click add to cart now!
Purchase worry-free with our 30-day return policy and 100% money back guarantee.
Many of our products are covered by manufacturer warranties so if it has been more than 30 days feel free to reach out and explain your issue and we will show you world-class customer service.
Send an email to email@example.com with your order number in the subject line to begin the return process.
Our bottom-line commitment is to have happy customers. Rather than focusing on raising margins and obsessing over profits, we've achieved an extraordinary customer retention rate by offering competitive prices, superior products, and – perhaps most importantly – world-class customer service.
What you can expect from Happy Hydro:
100% Secure Shopping- Know that every transaction that takes place on our website is encrypted and 100% SSL secure so your information is safe. We don't save payment information and will never sell your data.
Price Matching - Most products on our site are priced as low as we are allowed by manufacturers. But, if you find a better deal we will always match it and you can always call us for exclusive pricing.
Free 30 Day Returns - Let's be serious, it's tough making a commitment to a product without seeing it first. That's why we're offering 30 day free returns. All we ask is you send it back in new condition and don't destroy the box!
East & West Coast Shipping - We don't cut corners by drop-shipping. We have our own warehouses on the East and West coast to deliver most shipments between 3-4 days. Large commercial items may ship factory direct.
Discreet Shipments - We do our best to ship discreet. If we can cover up a label on the outside of a box, we do it. If you have special requests put them in the order notes when you checkout, we read them!
Fully Insured Shipments - Every shipment that leaves our warehouses is fully covered in case of a lost or damaged item. We also request signature's on orders over $1000 for further protection.
Superior Gardening Products - All the manufacturers on this site are hand-picked by our founders to ensure you receive a quality product. All items are inspected (twice) before leaving our warehouses so we know that you'll be happy with the product that arrives at your door.
World-Class Customer Service - Our bottom-line commitment is to have happy customers. Rather than focusing on raising margins and obsessing over profits, we've achieved an extraordinary customer retention rate by treating our customers the way they deserve to be treated.
Authorized Dealers - Happy Hydro is an authorized dealer for every brand that we carry. You can rest easy knowing you will receive the full manufacturer's warranty with every purchase.
Volume Discounts - Are you a commercial grower or do you plan on making a large order? Send an email to firstname.lastname@example.org or call (716) 217-0353 for discounts too good to post online.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.