【Package】4*4ft led batten light and installation accessories(16*screws, 16*expansion tubes, 8*plastic buckles), 1*instruction. 40W, 4000K, 3600LM, VAC120. 【Premium Material】Made of PC Plastic. High quality plastic lampshade and body. Long lifespan is up to 50000 hours. It can not only save the cost of lamp replacement, but also provide a much brighter place for you. 【Easy to Install】1.Cut the power supply first before any assembly. 2.Remove two plastic buckles from lamp by hand or tool. (Maybe a little tight.) 3.Fix the plastic buckles to the wall with expansion tubes and metal screws. 4.Wire two lines to the external power lines. 5.Push the light to the buckles tightly. 6.Turn on the power supply. 【Energy Saving&High Brightness】High brightness 2835 LED chips, the brightness is higher than traditional light bulbs, also cost less electricity. 120°beam angle can provide you with wider illumination range. 【Widely Application】Ultra-thin led batten light can be widely used in garage, shop, office, hallway, market, restaurant and various indoor public areas. 【100% Satisfactory】We provide 24-hour online email service. And whenever you have any questions about our light, no hesitate to contact us. COLMEGUNA 4 Packs 4FT LED Batten Light, Ultra-Thin Ceiling Surface Mounted Light, 40W, 4000K, IP20, LED Ceiling Light Fixture for Garage, Shop, Hallway, Office, Market