Osram dpro mctw 11 w825 b22d 4008321986108 the osram spro mctw has a low energy consumption 11w with an average lamp life of 12 000 hours the lamp is a very compact shape with high efficiency and extremely fast lummen ramp up thanks to quick light technology areas of application include high quality domestic and professional environments general illuminations wherever light is required quickly and wherever compact and efficent lamps are needed base b22 colour temperature 2500k dimens