Osram dsst gl 17 w825 e27 4008321986436 the osram dsst cl has a low energy consumption of 17w and an average life of up to 10 000 hours the lamp has an attractive appearance so is ideal for decorative and free burning applications and can also be fitted easily instead of an ordinary light bulb areas of application include general illuminations high quality domestic and professional environments and for outdoor use in enclosed and ventilated luminaires only the lamp has up to 80 less