Key Specifications ◇ Watt:20W/30W/40W ◇ Bulb Type:T12 ◇ Base:G13 ◇ Color Temperature:6500k/4200k/2900k ◇ The lamps radiate daylight, coolwhite, warmwhite to creat different atmosphere. ◇ The lamps used for general lighting and recommended for office, factory, hospital,etc. ◇ CE approved. Origin China