1,COB LED ceiling light 2,COB,5/3w,230-400lm 3,Wiring,38/60 ... /DimmableBeam Angle: 38/60 degrees Packaging Technology:COBColor:warm white,natural white,whitePower:3/5W PCF:065Source:EpistarColor:Optional Lumen Maintenance:≥70 ... covers an area of 1500 square meters, more than 100 employees. Products cover LED Spotlight, LED Down light, LED Washer light, LED Highway light ...