Halogen light pin socket bulb energy rating c power 25 watt energy consumption 25 kwh1000h series osram halostar eco equivalent to light bulb 35 w socket gy6 35 voltage 12 v light colour warm white light output 500 lumen colour temperature 2 800 k lifespan 4 000 h style glass bulb variable intensity dimmable uv filter length 45 mm diameter 12 mm average annual electricity cost 01951 kwh 488 euros source average electricity cost based