Halogen light reflector lamp power 75 watt energy consumption 75 kwh1000h series osram halopar 30 socket e27 voltage 230 v light colour warm white luminous intensity 2 400 cd colour temperature 2 950 k lifespan 2 000 h bulb shape reflector variable intensity dimmable uv filter length 91 mm diameter 97 mm average annual electricity cost 01951 kwh 1463 euros source average electricity cost based on figures from eurostat as of 2016