Brand Cnlight Model 25W Quantity 1 piece(s) per pack Color White Material Quartz glass tube Specification E27 connector power: 25W voltage: 220V 50Hz suitable for 25~30 square-meter area. Other Features Dual H shaped tubes 253.7nm wavelength ultraviolet rays strong sterilization effect up to 99%. Creates a health environment for your family; Suitable hospital school hotel restaurant family and office disinfection and air clean use. Attention: No people allow to enter the place while lamp working keep UV light illuminate eyes and skin directly; Please open window and door for ventilation for 30 minutes before enter into the places. Packing List 1 x UV sterilization lamp 1 x Chinese user manual