<b>King and King Plus series products are exclusively selling by KingLED,others are knockoff</b> <br> <b>Specifications :</b> <br>Dimension: 20.9x8.3x2.4inches <br>Coverage Area: about 4.5 x 8 ft((The lighting area and the height are changeable according to different plants and environments.) <br>Lifespan:100,000hours <br>Worldwide Voltage: 85v-265v <br>Working Frequency: 50~60Hz <br> <br> <b>Using tips</b> <br>-Lighting Time setup: Vegetative Stage: 12-14 hours on; Flowering Stage: 9-12 hours on. Fruiting Stage: 7- 8 hours on <br>-Suggest distance above plants: 3-4.5ft. <br> <br> <b>Attention</b> <br>-Indoor use only, not water-proof. <br>-The working environment: -20~40℃,45%RH~90%RH. <br>-No extra ballast is needed,plug and play. <br>-Can be controlled by Timer. <br>-Extremely bright, do not look directly when the light is working. <br> <br> <b>Package includes:</b> <br>1pcs King Plus 2000W LED grow light <br>1pcs 6ft power cord <br>1pcs hanging hook.（Easy Installation） <br><br><b>3 years Professional Service: </b> return and money back for customers within 30 days, ship free parts and free shipping to customers for a fix within 180days, ship free parts and the buyer pay the shipping fees for a fix more than 180days.