Classic HM 660 Watt LED Grow Light - Grow Pros Solutions

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The HM660 LED Grow Light System offers a comprehensive lighting solution for indoor cultivation. This fully assembled unit simplifies installation with a variety of wiring options and quick-connect features. Its passive cooling design enhances durability and maintains high light output, significantly extending the lifespan compared to traditional grow lights. This cost-effective solution supports the growth of indoor plants with full-spectrum lighting that mimics natural sunlight, promoting healthier and more robust plant development.


  • Compatible with most leading controllers.
  • Equipped with 3500 LEDs, including specialized 600NM deep red HM diodes.
  • Includes a 120-277V AC quick access outlet for convenient power management.
  • Foldable design for straightforward setup.
  • Up to 30% more energy-efficient than HID and HPS systems.
  • Optimized spectrum tailored for both vegetative and flowering stages.
  • Engineered to maximize photosynthesis, growth, and yield.
  • Features a Power Chaining Port and 0-10V RJ12 Dimming Control for enhanced adjustability.

What’s in the box:

  • 1x HM660 LED grow light
  • 1x Daisy Chain RJ12 Data Cable
  • 1x 240-120V plug adapter
  • 2x steel wire sling
  • 2x 8" rope ratchet
  • 4x thumb screws
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Classic HM 660 Watt LED Grow Light - Grow Pros Solutions
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HM660 LED Grow Lights: Advanced Full-Spectrum Lighting for Indoor and Greenhouse Applications

The HM660 LED grow lights offer a robust 660W full-spectrum lighting solution, expertly designed for commercial indoor and greenhouse applications, especially suited for hydroponics. This advanced system provides growers with precise control throughout the entire plant lifecycle, facilitating a seamless transition from vegetative growth to the flowering stage. By closely mimicking the natural spectrum of sunlight, the HM660 ensures optimal conditions for plants to thrive and reach their full growth potential.

Seamless Integration with TrolMaster System: Our HM660 lights integrate flawlessly with the TrolMaster automation systems, including HYDRO-X, AQUA-X, TENT-X, and CARBON-X, via the Adapter LMA-14. This compatibility allows for sophisticated control and monitoring, enabling growers to effortlessly manage their indoor cultivation environments.

Customizable Horticultural Lighting: Designed to meet the varied demands of modern horticulture, our lights feature customizable settings that allow growers to tailor light intensity, spectrum, and duration to specific plant needs. This adaptability helps optimize growth conditions and can significantly enhance crop yields and quality.

Efficient and User-Friendly Features: In conjunction with the TrolMaster System, the HM660 lights provide an efficient and easy-to-use solution for contemporary horticultural practices. The system's flexible features and precise controls ensure that plants receive the ideal lighting conditions at all stages of their development, promoting healthy and vigorous growth.

Sustainability and Energy Efficiency: Supported by grow light rebate programs from utility companies, our LED lights are recognized for their superior efficiency over traditional HID lighting. Consuming less electricity while delivering equivalent light output, these lights support sustainable cultivation practices and can help cultivators save on energy costs.

Technical Specifications:

  • Wattage: 660W, boostable up to 720W
  • Input Power: 120V-277VAC
  • Frequency: 50/60Hz
  • Control: 0-10V dimming (0-100%), Wireless options available
  • Power Factor: 0.9
  • Total Harmonic Distortion (THD): 20%
  • Thermal Management: Passive cooling
  • Operating Temperature: -40°F to 122°F
  • IP Rating: IP44, suitable for dry and damp locations
  • Warranty: 7-year limited
  • Performance Data:
    • 660W (100%) Output at 12″ Height: 1716 μmol/s, 2.6 μmol/J
    • 720W (110%) Output at 12″ Height: 1820 μmol/s, 2.6 μmol/J

The HM660 LED grow lights are engineered to maximize photosynthesis, growth, and yield, making them an excellent choice for growers seeking advanced, efficient, and customizable lighting solutions for their indoor or greenhouse operations.


Classic HM 660 Watt Tech Sheet (HM660.pdf, 5,323 Kb) [Download]


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