* 10W Double Chips: brighter more efficient than traditional 3W and 5W LEDs,scientifically engineered to keep the balance of the PAR/Lumen Output and Coverage.Long lifespan. * Energy saving: just consumes about 380w power,the electricity is 0.38kW·h per hour.Saving more money than HPS/MH lamp; Worldwide Voltage:85v-265v,plug and play. * Full spectrum: the light include red,blue,yellow,white,IR and UV which is similar to the sunlight,ideal for all kinds of indoor plants veg and flower at all growth stages. * Efficient cooling system: some holes on the led board(thickened, ours:3.0mm, others:1.6mm) and the glass form convection with the fans,efficient heat dissipation.And every led has a resistance to keep them work separately. Specifications Dimension:20.9x8.3x2.4inches Power:2000w(200pcs*10w) LED Type: Epistar LEDs Full spectrum for vegetative and flowering stage: 410nm, 430~440nm, 450~475nm, 620~630nm, 650~670nm, White, IR(730nm) (It is hard to see clearly by eyes, very dim.Please don't think they are not working. Instead, it plays an very important role in the flowering and fruiting stages of plants.) Coverage Area: about 4.5 x 8 ft(The lighting area and the height are changeable according to different plants and environments.) Lifespan: 50,000hours Worldwide Voltage: 85v-265v Working Frequency: 50~60Hz Modular Power Cord(Available in US, UK, EU, AU,JP) Using tips Lighting Time setup: Vegetative Stage: 12-14 hours on; Flowering Stage: 9-12 hours on. Fruiting Stage: 7- 8 hours on Suggest distance above plants: 2-3.5ft Tips for increasing lifespan: please let the light have a rest for about 20mins after 7-8hours working. Attention Do not use the lights in dripping water or anywhere where they will get wet, water and electricity can be a dangerous mixture. The working environment is -20~40?,45%RH~90%RH. To protect the light, Pls cut off the power when there is a lightning strike. Don’t touch or move when the light working. Package includes 1pcs King Plus 2000W LED grow light 1pcs free power cord 1pcs free hanging hook.?Easy Installation? Please see our video on the main booth page: https://www.bonanza.com/booths/The_LED_PRO