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Grower's Choice ROI-E420 - Green Thumb Depot
Grower's Choice ROI-E420 Full Spectrum 420 Watt LED Grow Lights

Grower's Choice ROI-E420 Full Spectrum 420 Watt LED Grow Lights

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SKU: TSLROIE420W3K1

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$350.00
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Is the Grower's Choice ROI-E420 Full Spectrum LED Grow Lights - 420 Watts the right product for you?

The Grower's Choice ROI-E420 Full Spectrum LED Grow Lights - 420 Watts is perfect for indoor gardeners who want to maximize their yield while minimizing their energy usage. This light is designed for a 3x3 grow tent, making it an excellent choice for small to medium-sized indoor gardens.

  • Features & Benefits
  • Product Specifications
  • What is included?
  • Warranty Policy

Grower's Choice ROI-E420 Full Spectrum LED Grow Lights - 420 Watts

The Grower's Choice ROI-E420 Full Spectrum LED Grow Lights - 420 Watts stands out from the competition due to its energy efficiency and full spectrum light. This light can significantly increase your yield while reducing your energy costs, making it a smart investment for any indoor gardener.

  • High efficiency, energy saving technology
  • Full spectrum light for all stages of plant growth
  • Quiet operation with passive cooling
  • Easy to install and use

Product Overview

The Grower's Choice ROI-E420 Full Spectrum LED Grow Lights - 420 Watts is a high-quality, energy-efficient grow light designed for indoor gardening and hydroponics. It provides high efficiency and energy-saving technology, as well as full spectrum light for all stages of plant growth. With its quiet operation and passive cooling, this grow light is easy to install and use.

Smart Technology

The Grower's Choice ROI-E420 Full Spectrum LED Grow Lights - 420 Watts features smart technology that allows for easy customization and expansion. It's dimmable and daisy chainable, making it a versatile choice for any indoor gardening setup.

Specifications

Product Specifications - Grower's Choice ROI-E420 Full Spectrum LED Grow Lights - 420 Watts
Power 420W
Coverage 3x3ft
Spectrum Full Spectrum
Cooling Passive
Dimensions 22.8" x 22.8" x 2.4"
Weight 10.14 lbs

What is included?

The Grower's Choice ROI-E420 Full Spectrum LED Grow Lights - 420 Watts kit includes the following:

  • Grower's Choice ROI-E420 LED Grow Light
  • Power Cord
  • Hanging Kit
  • User Manual

Warranty Policy

Please check out the manufcaturers website for Warranty related issues.

Is the Grower's Choice ROI-E420 420W LED Grow Light Right for Me?

The ROI-E420 LED grow light is designed for both home and commercial indoor grows, ensuring high yields and energy efficiency. With Osram GC-3K full-spectrum diodes and even light distribution, it’s ideal for 3×3 to 4×4 grow spaces. This controllable 420W fixture provides precise dimming, timing, and protective features for safe, optimized plant growth.

Features & Benefits

Specifications

What is included?

Warranty & Returns

Features

Maximize your Plant Growth

The Grower's Choice ROI-E420 delivers full-spectrum light with 660nm deep red for maximum plant growth. Designed for 3×3 to 4×4 cultivation, it features passive cooling, onboard dimming, and controller compatibility for easy scheduling. With a fanless, IP65-rated design, this 420W LED provides energy-efficient performance, reliable operation, and uniform coverage for healthy plants from seedling to harvest.

Fanless Passive Cooling

Controller Compatibility — Scheduling & Dimming

Full-Spectrum GC-3K + 660nm Deep Red

420W Power Draw — Energy Efficient

Even Light Distribution — 3×3 to 4×4 Coverage

IP65 Waterproof & UL/DLC Certified

Benefits of LED Grow Lights

LED grow lights offer numerous benefits for plant cultivation. They are energy-efficient, customizable in spectrum, emit minimal heat, and have a long lifespan. These qualities reduce costs, enhance growth, and promote environmentally friendly and low-maintenance cultivation practices.

Instant On/Off

It allows precise control over light cycles.

Full Spectrum Lighting

This promotes healthier and more robust plant growth.

Low Heat Emission

This reduces the risk of heat stress and saves them from damaging

Easy Installation

LED grow lights require less maintenance, saving you time and effort.

Optimized Light Output

Allows you to adjust the light spectrum to suit different plant types and growth stages

Power Saver

LED grow lights save energy, costs, and promote sustainable cultivation.

Durable Design

Constructed with top-quality materials, ensuring prolonged use in various conditions.

Consistent Output

Engineered for sustained performance, guaranteeing optimal light output over time.

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Why Grower's Choice

Grower's Choice LED grow lights stand out among other brands due to their commitment to quality, advanced technology, and proven results. With a focus on energy efficiency, customizable spectrums, and features like power-saving and temperature control, Grower's Choice offers growers a superior, reliable, and sustainable solution for achieving optimal plant growth.

Their dedication to innovation and customer satisfaction sets them apart in the competitive world of horticultural lighting.

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Spectrum Matters

The ROI-E420 provides GC-3K full-spectrum light with deep red 660nm supplementation, optimized for all growth stages. Osram diodes ensure even light distribution and strong canopy penetration, promoting uniform plant growth. This precision-engineered spectrum supports seedlings, vegetative, and flowering stages, making it ideal for indoor gardens, grow rooms, and tents up to 4×4.

Full-Spectrum GC-3K

Supports veg, bloom, and full-cycle growth with 660nm deep red for flowering performance.

Even Light Distribution

Reduces hotspots and promotes consistent canopy penetration across the entire grow area.

Energy Efficient Output

High PPF/Watt ratio of 2.6 µmol/J reduces electricity consumption while maximizing light quality.

Why Thousands of Growers Choose to Work Exclusively with Greenhouse with plants

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FAQ Section

What spectrum does the ROI-E420 emit?
The ROI-E420 emits GC-3K full-spectrum light with 660nm deep red for optimal growth, flowering, and canopy penetration.
Can I dim the ROI-E420?
Yes, the ROI-E420 features onboard 0-10V dimming and is compatible with Grower's Choice Master Controllers for advanced scheduling and dimming.
What grow area does it cover?
Ideal for 3×3 ft to 3.5×3.5 ft flowering and up to 4×4 ft vegetative growth areas.
Does it have a fan?
No, it uses a fanless passive cooling design, making it silent and low-maintenance.
Is it waterproof?
Yes, it is IP65-rated, suitable for humid grow environments.
What is the warranty?
The ROI-E420 comes with a 5-year manufacturer’s warranty.

Specifications

SPECS & DIMENSIONS

Weight 19.4 lbs
Dimension 35.3"L x 34.6"W x 3.2"H
LED Light Spectrum Full Spectrum (GC-3K + 660nm deep red)
Warranty 5 Years

MATERIALS & POWER

Voltage and Current

  • Operates on standard household voltages (120V/240V), drawing power efficiently for indoor use.

LED Diodes

  • High-quality Osram GC-3K full-spectrum diodes with 660nm deep red for flowering.

Power Supply

  • Includes a reliable driver that ensures stable voltage to the LED diodes for consistent performance.

LED Lights

Dimmability

  • Supports 0-10V dimming and controller compatibility, allowing precise control over light intensity for different growth stages.
Brand Grower's Choice
SKU ROI-E420
Weight (lb.) 19.4
Length (in.) 35.3
Width (in.) 34.6
Height (in.) 3.2
LED Light Spectrum Full Spectrum (GC-3K + 660nm deep red)
LED Fixture Type Single-Panel
LED Features Manual Dimming, Controller Compatible, Fanless Passive Cooling
PAR Efficiency 2.6 μmol/J
Warranty 5 Years
Spec Sheet PDF

What is Included?

What’s in the box.

  • Grower's Choice ROI-E420 LED Grow Light
  • Power Cord
  • Hanging Kit
  • User Manual

Warranty Policy

It's recommended to contact Grower's Choice for specific warranty information related to their LED grow lights. Please note that warranty details may vary depending on the product model, purchase location, and other factors.

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