... LED Ceiling light: 1.Taiwan and USA Chip 2.3 Years Warranty 3.LED Scource:SMD5050,SMD5730 4.CE,RoHS Certificate Sensor LED Ceiling lightLED Ceiling Light ... % per the first 1000hrsCertificationUL,CE,ROHSSensor LED Ceiling Light Application:1.Hotels,office building2.Conference / ... Purposes5.Schools, library,Colleges & UniversitiesSensor LED Ceiling Light Packing information:1.Product size:φ315mm*H100mm2 ...