| Radiant 500

Radiant 500


The Radiant 500 grow light will take crop yields to the next level. Its proven science and advanced LED technology produces the spectrum that plants need to flourish. It is a powerful and versatile LED grow light designed for the serious indoor agriculture and horticultural enthusiast.
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The Radiant 500 is UL listed and rated IP 65, suitable for wet and damp locations.


ALT’s Radiant Series lighting delivers the highest Photosynthetic Active Radiation (PAR) in the industry. More photons delivered to the target creates the maximum stimulation of the Krebs Cycle and an increase in ATP Synthase to accelerate photosynthesis. The result is a better performing LED grow light.

What’s in the box?

Everything you need to increase your yield and lower your energy costs in one box.

  • Radiant 500 LED light fixture
  • Integrated power cord with in-line on/off switch
  • 2 stainless steel eye bolts
  • Instruction Manual


The Radiant 500 is a 120 watt LED lighting fixture for all of your indoor agricultural needs. Our unique formulation and spectrum allows the grower to use a single light from  the very beginning of the vegetation cycle to the end of the flowering cycle.


It’s simple… Hang it, plug it in, turn it on, and grow!

This product is listed to applicable UL standards and requirements by UL. The Radiant 500 is rated IP65, suitable for wet and dry locations.

Our unique formulation and spectrum allows the grower to use a single light for the full grow cycle from Veg to Flower.

The Radiant 500 is designed for indoor growth of many plant species. It can be used for plants that produce hearty and abundant medicinal flowers, as well as organic fruits, tomatoes, peppers, leafy greens, and herbs.

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Weight 18 lbs
Dimensions 12 x 8 x 8 in

20,000 to 50,000 Hours

Number of LEDs


Input Voltage

90 – 277 VAC

Output Voltage

24 VDC Constant Current LED Driver

Light Bandwidth

Multi band / bandwidth output

Light Spectrum Range

370nm to 740nm 683 Peak (Red)

Power Usage

100 – 120 watts

Power Factor


Net Weight

18 lbs

Gross Weight

20 lbs

Carton Size

16″ X 12″ X 12″


3 years

UL Certification

UL File #E470688


Anodized Aluminum

IP Grade

IP 65