Watt: 4W/6W/8W/13W Bulb Type: T5 Base: G5 Color Temperature: 6400K/4000K/2700K The lamps use triphosphor for coating. They provide high color rendering and significant effect of on energy saving. The lamps radiate daylight, coolwhite, warmwhite to create different atmosphere. They are used for general lighting, such as residence, hotel and emergency lighting. CE approved.