Osram eco sst cl a 77 w 240 v b22d this is an osram halogen golfball lamp the wattage of the lamp is 77w and has a bayonet cap b22 the average life of this lamp is 2000 hours and is 100 dimmable this light is generally used in restaurants hotels for entrance lighting and dining table lighting it is also used for other general illuminations the lamp has a uv filter and does not contain mercury so can be easily disposed of with other normal household waste the light does not have a war