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ThinkGrow Full - Spectrum LED Grow Light – Model - H Plus 4' 720 W - Green Thumb Depot
ThinkGrow Full-Spectrum LED Grow Light – Model-H Plus 4' 720 W

ThinkGrow Full-Spectrum LED Grow Light – Model-H Plus 4' 720 W

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SKU: Model-H Plus 4'

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$759.05
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The ThinkGrow Model-H Plus 4' 720W LED Grow Light is a high-performance multi-bar fixture engineered for professional indoor growers who demand precision, efficiency, and full-spectrum control. Designed for vertical farming, hydroponics, and commercial grow rooms, it delivers over 2160 μmol/s of output with exceptional uniformity across a 4'×4'–5'×5' canopy. With four fully adjustable spectrum channels—UV, White, Deep Red, and Far Red—it allows growers to fine-tune their light recipe for veg, bloom, or full-cycle cultivation while maintaining outstanding energy efficiency.

Key Points:

  • 720W high-output multi-bar design

  • Adjustable UV, White, Deep Red & Far Red channels

  • Ideal for 4×4 to 5×5 cultivation zones

  • 3.0+ μmol/J efficiency for lower energy costs

  • Passive cooling, low heat output

  • Hydro-X control system compatible

Is the ThinkGrow Model-H Plus 4' 720W LED Grow Light Right for Me?

The ThinkGrow Model-H Plus 4' is built for serious cultivators who want precision spectrum control, high PPFD output, and uniform multi-bar performance. With four independently adjustable spectrum channels—UV, White, Deep Red, and Far Red—this fixture excels in both veg and bloom cycles. Optimized for 4×4 to 5×5 spaces, it delivers over 2160 μmol/s of balanced light, making it ideal for vertical farms, hydroponic setups, and commercial indoor grow environments.

Features & Benefits

Specifications

What is included?

Warranty & Returns

Features

Maximize your Plant Growth

Perfect for demanding growers, the Model-H Plus delivers high-intensity output, exceptional uniformity, and fully adjustable UV, white, deep-red, and far-red channels. Its 720W multi-bar design ensures deep canopy penetration while maintaining cool, efficient operation. With Hydro-X compatibility and plug-and-play installation, this fixture allows complete spectrum control for optimized growth from early veg to late flowering.

Patented Plug-and-Play Bar Design

On-Board Dimming & Group Control

4 Spectrum Channels — UV, White, Red, Far Red

720W High-Efficiency Output

8 Light Bars for Maximum Coverage

High PPF Output — 2160+ μmol/s

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 ThinkGrow?

ThinkGrow is known for engineering professional-grade horticulture lighting built for precision, efficiency, and long-term reliability. Their fixtures use advanced multi-channel spectrum control, plug-and-play designs, and seamless integration with environmental controllers—making them ideal for serious growers. With strong performance, scalable group control, and commercial-ready durability, ThinkGrow provides dependable lighting solutions trusted across indoor farms and high-output grow environments.

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Spectrum Matters

The Model-H Plus 4' delivers a fully adjustable horticultural spectrum with UV, white, deep-red, and far-red channels. This flexibility allows growers to craft precise light recipes that support vegetative vigor, flowering density, and improved crop quality. Designed for full-cycle performance in 4×4 to 5×5 spaces, it ensures consistent, high-intensity light distribution for uniform growth across the entire canopy.

Customizable Full Spectrum

Four controllable channels—UV, White, Deep Red, and Far Red—allow growers to tailor spectrum output for veg, bloom, or full-cycle cultivation.

Uniform Canopy Penetration

Eight-bar design ensures evenly distributed PPFD and eliminates hotspots, delivering consistent light to every plant.

High-Efficiency Performance

Generates over 2160 μmol/s at >3.0 μmol/J, providing intense output with reduced energy consumption.

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

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FAQ Section

What spectrum options does the Model-H Plus offer?
The Model-H Plus features four adjustable channels—UV, White, Deep Red, and Far Red—allowing complete spectrum customization for veg and bloom.
What grow area is ideal for the Model-H Plus 4'?
It performs best in 4×4 to 5×5 grow spaces, providing strong uniformity and deep canopy penetration.
Can this fixture be used in vertical farming environments?
Yes, the low-profile multi-bar design is ideal for vertical racks, multi-tier setups, and commercial installations.
Does the Model-H Plus work with TrolMaster controllers?
Yes. It is compatible with Hydro-X systems using the TrolMaster LMA-T lighting adaptor for automated dimming and control.
How efficient is the Model-H Plus 4'?
It delivers over 2160 μmol/s at more than 3.0 μmol/J, providing excellent output with reduced energy usage.
What kind of heat output does this fixture produce?
The 720W passive-cooled design produces 2456 BTU/h, keeping grow rooms stable without excessive heat buildup.
Is installation difficult?
No. The patented plug-and-play bar system makes setup fast, tool-free, and easy to maintain.
What input voltage does the Model-H Plus support?
It is autosensing and supports 100–277V operation, compatible with standard and commercial power setups.
How long is the lead time for shipping?
Please review our shipping policy for more detailed information.
What is the return policy for this fixture?
Please check our return policy for full terms and conditions.

Specifications

SPECS & DIMENSIONS

Weight 31.66 lbs
Dimensions 44.98" L × 45.5" W × 5.30" H
LED Light Spectrum Full Spectrum (UV, White, Deep Red, Far Red)
Input Power 720W

MATERIALS & POWER

Voltage & Current

  • Autosensing 100–277V input supports household and commercial power systems.

LED Diodes

  • High-efficiency diodes deliver over 2160 μmol/s for strong canopy penetration.

Power Supply

  • External driver ensures stable output and reduces heat inside the grow space.

LED LIGHTS

Dimmability

  • On-board dimming plus advanced control when connected to Hydro-X systems.
Brand ThinkGrow
SKU MODEL-H-PLUS-4
PPF > 2160 μmol/s
Efficacy > 3.0 μmol/J
BTU Output 2456.74 BTU/h
Mounting Height > 6" Above Canopy
Fixture Type Multi-Bar LED
IP Rating IP56
Certifications ETL Listed
Input Voltage 100–277V Autosensing
Cord Length 10.5 ft
Tech Sheet PDF

What is Included?

What’s in the box.

  • Model-H Plus 4' LED Driver
  • 8 × 4' LED Light Bars
  • 12' 240V Power Cord
  • 16 ft 4-Pin Waterproof Extension Cable
  • 2 × LED Driver Hangers
  • User Manual

Warranty Policy

It's recommended to contact Think Grow 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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