Lamp power = 250 W
Lamp voltage = 125-135 V
Luminous flux = 12700 lm
Socket = E40
Colour rendering index CRI = 40-59
Colour temperature = 4000 K
Lamp efficacy = 51 lm/W
Lamp shape = Ellipsoid
Burning position = Any
Diameter = 91 mm
Total length = 226 mm
Internal reflector = false
Energy efficiency class = C
Average nominal lifespan = 10000 h
Lamp designation = ED28
Supply voltage = 220-240 V