Grow Lighting
Grower’s Choice ROI-F720 Guide: Specs, Features & Setup
The Grower’s Choice ROI-F720 720W Full Spectrum LED Grow Light is a commercial bar style fixture built around a fairly simple idea: deliver high output and high efficiency without adding complexity that every professional facility may not need.
At 720 watts, the ROI-F720 is rated for 2,160 µmol/s of PPF and an efficacy of 3.0 µmol/J. It uses Grower’s Choice’s Full Phase spectrum, supports 0–10V lighting control, and is designed for 208–277V commercial electrical systems.
That combination makes the ROI-F720 particularly relevant for professional growing rooms, facility expansions, lighting retrofits, and operators planning larger multi fixture installations.
In this guide, we’ll break down what the ROI-F720 actually offers, its electrical and installation requirements, and the details worth considering before purchasing.
Grower’s Choice ROI-F720 Specifications

Here are the key specifications at a glance:
| Specification | Grower’s Choice ROI-F720 |
|---|---|
| Power | 720W |
| PPF | 2,160 µmol/s |
| Efficacy | 3.0 µmol/J |
| Spectrum | Full Phase |
| Input Voltage | 208–277V AC |
| Frequency | 50–60Hz |
| Dimming | 0–10V controllability |
| Installation | Hardwired |
| Weight | 14.33 lb / 6.5 kg |
| Dimensions | Approx. 42.4 × 41.3 in |
| Operating Temperature | 32°F to 104°F / 0°C to 40°C |
| Storage Temperature | -104°F to 158°F / -40°C to 70°C |
| Rated Lifespan | L90: 50,000 hours |
720W Output and 3.0 µmol/J Efficiency
The numbers at the center of the ROI-F720 are 720 watts, 2,160 µmol/s PPF, and 3.0 µmol/J efficacy.
PPF measures the total amount of photosynthetically active light produced by a fixture each second. Efficacy looks at how efficiently electrical power is converted into that usable light.
At 3.0 µmol/J, the ROI-F720 is designed to deliver substantial photon output without requiring disproportionately high power consumption.
That becomes especially important in commercial installations. A difference in fixture efficiency may seem small when looking at one light, but electrical consumption becomes a much larger consideration when dozens or hundreds of fixtures operate for thousands of hours.
Full Phase Spectrum
The ROI-F720 uses Grower’s Choice’s Full Phase spectrum.
According to Grower’s Choice, the spectrum is intended to support plant health and flower production while avoiding excessive red loading. The manufacturer positions the fixture primarily around full bloom applications and professional horticultural environments. Grower_s_Choice_ROI-F720_Specif…
For growers, the practical benefit of a broad spectrum fixture is straightforward: it provides a single lighting platform rather than requiring separate fixtures solely to create different spectral profiles.
Bar Style Light Distribution
Instead of concentrating its LEDs into a small central area, the ROI-F720 distributes them across a large multi bar frame.
This layout is commonly used in high output professional LED fixtures because spreading the light sources across a larger physical area can help create more even coverage across the canopy.
The fixture itself is approximately 42.4 inches wide by 41.3 inches deep, giving the LED bars a substantial surface area while keeping the overall fixture relatively thin.
One important distinction, however, is that fixture dimensions alone do not establish a recommended coverage area or hanging height. Those should be determined using the manufacturer's applicable recommendations, room configuration, target light levels, and actual canopy measurements rather than assuming a footprint from wattage alone.
Built for Commercial Electrical Systems
This is one of the most important things to understand before buying the ROI-F720.
It is not designed as a standard household plug in grow light.
The official Grower’s Choice specification sheet identifies the ROI-F720 as a hardwired fixture operating at 208–277VAC. Grower_s_Choice_ROI-F720_Specif…
That makes it much better suited to professional rooms with appropriate electrical infrastructure already in place or being designed around the lighting system.
Grower’s Choice lists nominal amperage at 720W as:
208V: 3.4A
240V: 3.0A
277V: 2.6A
For a commercial project, fixture count should therefore be planned alongside available voltage, circuit capacity, controls, HVAC requirements, and the rest of the facility’s electrical load.
Electrical installation should always follow applicable codes and be performed by appropriately qualified personnel.
0–10V Lighting Control
The ROI-F720 supports 0–10V controllability, allowing it to integrate with compatible external lighting controls. Grower_s_Choice_ROI-F720_Specif…
This is particularly useful in multi fixture rooms where manually adjusting individual lights would be inefficient.
With an appropriate control system, operators can manage lighting intensity more centrally and adapt output to different stages of production or facility strategies.
For facilities planning centralized lighting management, this is one of the more important capabilities of the F720.
Installation and Everyday Use
Despite its 720W output, the ROI-F720 weighs only 14.33 pounds, which is relatively manageable for a fixture of this physical size.
The installation manual specifies a 6.5 kg / 14.33 lb net weight and an operating temperature range of 32°F to 104°F (0°C to 40°C). Grower_s_Choice_ROI-F720_User_M…
Grower’s Choice also includes two hanging ropes with the fixture. Grower_s_Choice_ROI-F720_User_M…
The manufacturer's installation instructions emphasize careful handling of the LED surface and checking connections during installation. They also state that damaged external cabling and the luminaire's light source should be serviced or replaced by the manufacturer, its service agent, or a similarly qualified person. Grower_s_Choice_ROI-F720_User_M…
For a commercial room, it is worth planning the entire installation before fixtures arrive. That includes mounting points, electrical connections, controller placement, fixture spacing, and access for future maintenance.
50,000 Hour L90 Rating
Grower’s Choice rates the ROI-F720 at L90: 50,000 hours.
L90 is an important distinction from simply saying that a light has a “50,000 hour lifespan.”
An L90 rating refers to lumen or light output maintenance. In practical terms, the rating indicates that the fixture is specified to maintain approximately 90% of its initial light output at 50,000 operating hours.
For commercial facilities, output retention matters because lighting performance is not only about how a fixture operates when it is new. Long term degradation can affect room consistency and eventually influence replacement planning.
Who Is the ROI-F720 Best For?
The Grower’s Choice ROI-F720 makes the most sense for commercial or professionally designed growing environments.
Its 208–277V hardwired input immediately separates it from fixtures designed primarily for casual home installations.
It is especially worth considering for:
- Commercial flower rooms
- New facility builds
- Room expansions
- LED lighting retrofits
- Multi fixture installations
- Facilities using centralized 0–10V lighting controls
- Operators prioritizing high photon efficacy
For a small home grow using conventional residential outlets, the F720’s electrical requirements may make another fixture more practical.
For a professionally wired room, those same requirements become much less of an obstacle and the combination of 720W output, 3.0 µmol/J efficacy, low fixture weight, and external control becomes considerably more attractive.
What to Know Before Buying
The biggest mistake would be choosing the ROI-F720 based solely on its wattage.
Before ordering, confirm that your facility has the appropriate 208–277V electrical infrastructure and that your intended control system supports the fixture’s 0–10V interface.
You should also plan mounting height and fixture spacing around your actual room rather than assuming that every 720W fixture should be installed the same way.
Environmental capacity matters too. Efficient LEDs still introduce heat into a room, and a large installation needs to be considered alongside HVAC, dehumidification, airflow, electrical capacity, and overall room design.
For larger projects, planning these systems together is much more useful than evaluating the grow light in isolation.
Grower’s Choice ROI-F720: Final Overview
The Grower’s Choice ROI-F720 is a purpose built commercial LED fixture with a strong specification set: 720W power consumption, 2,160 µmol/s PPF, 3.0 µmol/J efficacy, Full Phase spectrum, 208–277V operation, and 0–10V controllability.
Its approximately 42 inch square bar style frame distributes its LEDs across a broad area, while the surprisingly low 14.33 pound weight helps keep installation manageable.
The biggest consideration is electrical compatibility. This is a hardwired commercial fixture, not a conventional household plug in light. For facilities already designed around professional voltage and centralized lighting controls, however, that becomes part of its appeal rather than a limitation.
Overall, the ROI-F720 is designed for growers who want a straightforward, high output commercial lighting platform without paying for features their facility may not need.
Frequently Asked Questions
How many watts is the Grower’s Choice ROI-F720?
The ROI-F720 is rated at 720 watts.
What is the PPF of the ROI-F720?
Grower’s Choice rates the fixture at 2,160 µmol/s PPF.
How efficient is the ROI-F720?
The fixture has a rated photosynthetic photon efficacy of 3.0 µmol/J.
What voltage does the ROI-F720 require?
The ROI-F720 operates on 208–277V AC and is designed for hardwired installation.
Can the ROI-F720 be dimmed?
Yes. It supports 0–10V controllability for integration with compatible external lighting controls.
How much does the ROI-F720 weigh?
The manufacturer's installation manual lists the fixture at 6.5 kg, or 14.33 pounds, with a stated weight tolerance of ±6%. Grower_s_Choice_ROI-F720_User_M…
What is the rated lifespan?
Grower’s Choice specifies an L90 rating of 50,000 hours.
Does the ROI-F720 include hanging hardware?
The manual lists two hanging ropes as included accessories. Grower_s_Choice_ROI-F720_User_M…
Can I use a Grower’s Choice controller with the ROI-F720?
The fixture supports 0–10V control. Before purchasing a controller, confirm the exact controller and connection requirements for your installation rather than assuming compatibility based solely on the 0–10V specification.