Compact, high-efficiency full-spectrum LED lighting optimized for small grow spaces and maximum yield.

The Growers Choice ROI-E420 is designed for growers who need power without bulk. Featuring a 3K full PAR spectrum, this compact yet high-output LED grow light delivers the perfect balance of efficiency and intensity for both veg and flower cycles. Its low-profile frame makes it ideal for grow tents, small grow rooms, and compact cultivation spaces, while its optimized 4' x 4' veg and 3.5' x 3.5' flower footprint ensures maximum canopy coverage.

Is the ROI-E420 Energy-Efficient?

Absolutely. With an efficiency rating of 2.5–2.7 µmol/J, this LED light outshines older HPS systems (1.3–2.1 µmol/J) while cutting electricity costs and reducing heat stress. If you want bigger yields without a bigger power bill, the ROI-E420 is the answer.

Features

• Full-spectrum lighting with Grower’s Choice proven 3K full PAR spectrum for optimal plant growth.
• Compact, low-profile frame designed for small grow spaces and cultivation tents.
• Optimized coverage area with a 4ft x 4ft veg footprint and 3.5ft x 3.5ft flowering footprint.
• Ideal for all growers from hobbyists to entry-level professionals seeking high yields.
• Sleek, space-efficient design perfect for maximizing growth in limited spaces.

What's Included?

• ROI-E420 LED System
• 9’ Connecting Cable
• 1ft NEMA 6-15P 240V M25 Plug
• Information Page
• 120/240 Adaptor
• User Manual
• Rope Ratchet

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