Product Details  Revolutionary led grow lighting;Unilateral;suitable for plant-breeding house, garden, farm, greenhouse,hydroponics, horticulture New: 1) It is quite different with old UFO led grow light, brand New one.  2) Its unilateral, not bilateral of old UFO led grow light. 3) Wider space between led emitter, wider angle, much better heat solution.  4) Better efficiency. 5) White UFO, Black UFO, Chrome UFO, etc, we can do so many styles for you. In addition, rectangular led grow lights with chrome will be a fashionable trend. Features: 1, Less heat, can be put very near the plant.  2, Long lifespan , more than 50,000 hours, low maintenance cost  3, Power consumption : save 80% power comparing with traditional HPS or MH 4, Simple : Can be used indepently, no need for ballast and reflector or cooling fans. 5, efficiency: target the main active absorbing region of chlorophill a and b, 90% emiting lights can be used by plants. But for traditional HPS or MH, just 8-10% lights can be used as it is the wide band of the light.  6,Enviroment friendly. No waste to harm the environment. 7, 90W=400W( comparing with traditional lights) 8, Light Emitting Diode (L.E.D.) technology is the absolute newest technology in plant growth! These lights represent the cutting edge of horticultural lighting. LED lights are currently being used by NASA for growing plants in outer space! 9. the efficiency of our power supply reachs to 95%.  No Type  Unit  Parameters  1 working environment C° -20~40 2 storage condition C° -40~85 3 work frequency Hz 50/60 4 limited voltage V AC220±10% 5 Input current mA 450 6 output power W 90 7 Lux(centre ) LUX 118/2.5m, 80/3m, 55/3.5m 8 Lumens  Lm  3650 9 Lighting Area  M² 60 M² 10 Height above the Plant  Meter  2.5m, 3m, 3.5m  11 Lighting time  Hour 10-16 12 Lifespan  Hour 50,000