Specifications: Power Supply: AC85-265V, 50/60Hz Input Current: 0.4A max Output: DC18-55V @500mA 5% LED Qty: 225pcs Three styles: 3500K Warm white+Red light LEDs Type: SMD2835 LEDs Diameter: 5mm Power Cord Length: 25 inch Recommended Height: Within 3.28FT high above plants Recommended Coverage: One panel per 21.5 to 32.3 square feet The brightness of our product is equal to 1500W HPS/MH, It is energy saving than the traditional HID, it will just consume 30-50W Power) Norminal power: 1500W, actual power: 30-50W [FULL SPECTRUM] The grow light is made of 3500K Warm white+Red light, it is good for plant growing. [HEAT DISSIPATION] The large aluminum back cover is for better heat dissipation. No fans are required. Reduce noise, thereby making the environment more comfortable for the occupants [ENERGY SAVING & HIGH EFFICIENCE] This product is made of 225pcs SMD 2835 LEDS, it is energy saving with high power. [WIDELY USED] Suitable for all indoor growing environment: grow tent, grow room, best for growth and bloom stage. Popular in hydroponics, greenhouse, indoor gardening, pipeline cultivation, potted plants and so on. [WARNING] Before installation, turn power off. Non-waterproof, indoor use only. Package Contents: Ultra-thin LED Grow Light Panel Sets of Hanging Kit User Manual