... ,SMD5730 4.CE,RoHS Certificate Sensor LED Ceiling lightLED Ceiling Light Advantage & Feature:1.Long lifetime 50, ... Decline3% per the first 1000hrsCertificationUL,CE,ROHSSensor LED Ceiling Light Application:1.Hotels,office building2.Conference / Meeting ... Commercial Purposes5.Schools, library,Colleges & UniversitiesSensor LED Ceiling Light Packing information:1.Product size:φ315mm*H100mm2.Carton size ...