study lamp *3/5/7/9/12w led bulb *E27 led with high lumen design *2 years' warranty for study lamp *CE RoHS ... Color : warm white or white light 5.CRI: 806.Color temperature: 3000K/4000K/6000K 7.LED chip: epistar /osram / epileds or ... , Plant, Warehouse, Office4. School, University, Hospital, High-class stores 5 Conference, Meeting room, Showroom, Showcase6.Home decoration, Coffee,House, commercial ...