Growers Choice ROI-E420 LED Grow Light
Growers Choice ROI-E420 LED Grow Light - Grow Lights
Growers Choice ROI-E420 LED Grow Light - ROI-E420
Growers Choice ROI-E420 LED Grow Light- Groindoor.com | Hydroponics | Indoor Grow Supply Superstore

Growers Choice ROI-E420 LED Grow Light

SKU: ROI-E420
Current Stock: 1
Lead Time: This product ships Free in 1-2 Business Days
$559.00
MSRP: $699.00
$559.00
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Growers Choice ROI-E420 LED Grow Light

Growers Choice ROI-E420 LED Grow Light

$699.00 $559.00

Growers Choice ROI-E420 LED Grow Light

$699.00 $559.00
  • Coverage Area
    Veg: 4' x 4'; Flower: 3.5' x 3.5'
  • Exact Watts
    420 Watts
  • LED Light Spectrum
    Full Spectrum
  • Total PPF Output
    1090 PPF
  • PAR Efficiency
    2.6 umol/J
  • Dimmable:
    with Manual Dimming Knob, with Optional Controller
  • LED Diode Type
    Osram Top Bin Diodes
  • Voltage
    120/208/240/277 Volt
  • Power Cord(s) Included
    Includes 120 Volt & 240 Volt Smart Adapter Power Cords
  • Est. Electricity Cost /mo
    $18.14
  • Warranty
    3 Year

Growers Choice Product Documents

ROI-E420 Spec Sheet

ROI-E420 User Manual

The ROI-E420 is the perfect balance between energy efficiency and performance

From the minds of both Grower's Choice & TSL Horti Tech, the same pair that brought out the ROI-E680, one of the best LED Grow Lights in the industry. 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.

Whats Included

  • ROI-E420 LED Grow Light
  • 9' Connecting Cable
  • 1' 120 Volt - M25 Plug
  • Information Page
  • 120/240 Volt Adaptor
  • User Manual
  • Rope Ratchet

Not Included

  • Light Controller
  • RJ Data Cable
  • Glasses

This fixture performs best using a 4ft x 4ft veg and 3.5ft x 3.5ft flower footprint, perfect for compact gardens and cultivation tents with a Recommended Hanging Height of between 6" and 24".

Minimum hanging height

Top Features of the ROI-E420

Full Phase Spectrum

All Growers Choice LEDs use Osram Top Bin Diodes

This fixture delivers the entire spectrum of light to your plants, giving them exactly what they need to grow big and beautiful. Grower's Choice famous GC-3K Full Phase Spectrum for will bring your plants to new heights with the best possible LED diodes available.

High Performance & Energy Savings

For growers with strict requirements on power, this fixture cranks out 1090 umols/s. At 420 Watts of power, that gives this system an PAR efficinecy of 2.6 umols/J. With dimming capabilities and a voltage range of 120 Volts - 277 Volts, you truly can find the perfect amount of power output and consumption. The ROI-E420 truly gives you a return on investment with up to 40% energy saving & 40% less HVAC requirement.

Compact Size

This fixture is approximately 3 ft in length (35.3") & width (34.6") making it a great fixture for 4' x 4' or 5' x 5' grow tents for the hobby grower and can even fold when not being used to reduce its storage size in half. Even with the compact size, the ROI-E420 still packs enough power to be used in commercial applications.

ROI-E420 Half Folded

Onboard Dimming

You can set the ideal intesity at any time for optimal plant growth without the use of an external controller. If you prefer an external controller, no problem. This fixture is compatible with most lighting contollers including Growers Choice Master Lighting Controller. With the GC master controller, 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.

Growers Choice Master Lighting Controller

Master Lighting Controller

Grower?s Choice digital lighting controller enables the grower to control up to 200 fixtures. It is compatible with all GC-315 CMH, GC-630NS CMH, GC-1000 DE fixtures, ROI-E420 & ROI-E680 LED grow light.

This dual-channel controller allows daisy chaining up to 100 fixtures per zone. En-abling 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.


Specifications for the ROI-E420

Light Source LED
Voltage 120 Volt 208 Volt 240 Volt 277 Volt
Amperage 4.0 Amps 2.5 Amps 2.0 Amps 1.8 Amps
Spectrum GC-3K Full Phase
PPF *1090 ?mol/s
Input Power *420W
Efficacy 2.6 ?mol/J
Fixture Dimension | Weight 35.3? L x 34.6? W x 3.2? H | 19.4 lbs.
Mounting Height ?6? (15.2cm) Above Canopy
Thermal Management Passive
Dimming 0 - 10 Volt
Light Distribution 120 degrees
Lifetime L90: >54,000 hrs
Power Factor > 90%
Certifications IP65, ETL, CE
Warranty 3 Years Standard Warranty

* PPF calculation compiled using Growers Choice in-house integrating sphere measurements and typical spectrodiometric data for each LED to determin the fixture performance. Actual photometric results may vary within the LED's manufacturers bin tolerance

* Wattage values are typical expected values. TSL Horti Tech maintains a tolerance of 10% range on flux and power consumption. Target light level can vary from projected levels depending on ambient temperature, room reflection values, and other conditions.

54,000 hrs POWER FACTOR > 90% CERTIFICATIONS IP65, ETL, CE WARRANTY 3 Years Standard Warranty * PPF calculation compiled using Growers Choice in-house integrating sphere measurements and typical spectrodiometric data for each LED to determin the fixture performance. Actual photometric results may vary within the LED's manufacturers bin tolerance * Wattage values are typical expected values. TSL Horti Tech maintains a tolerance of 10% range on flux and power consumption. Target light level can vary from projected levels depending on ambient temperature, room reflection values, and other conditions. ">
UL Listed No
Lead Time This product ships Free in 1-2 Business Days
Prop 65 No
EACH - Weight(lb) 19.4
EACH - Height(in) 3.2
EACH - Length(in) 35.3
EACH - Width(in) 34.6
Total Sold 0
Weight (lb) 19.38
Height (in) 3
Width (in) 35
Amps 4.0 Amps @ 120 Volts, 2.5 Amps @ 208 Volts, 2.0 Amps @ 240 Volts, 1.8 Amps @ 277 Volts
Brand Growers Choice
Exact Watts 420 Watts
Voltage 120/208/240/277 Volts
Power Cord(s) Included Includes 120 Volt & 240 Volt Smart Adapter Power Cords
Power Cord Length 10 ft.
Warranty 3 Year
Lighting Type LED
Grow Light Certifications ETL Listed
Coverage Area
Est. Electricity Cost /mo 18.14
LED Fixture Type Multi-Bar
Suggested Hanging Height 45101
LED Features Dimmable *with Controller
LED Diode Type Osram Top Bin Diodes
PAR Efficiency 2.6 umol/J
Total PPF Output 1090 PPF
LED Light Spectrum Full Spectrum
Power Factor >90%
Suggested Hanging Height 45101

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