Halogen light pin socket bulb power 35 watt energy consumption 35 kwh1000h series osram halostar starlite equivalent to light bulb 50 w socket gy6 35 voltage 12 v light colour warm white light output 600 lumen colour temperature 2 900 k lifespan 4 000 h variable intensity dimmable uv filter length 45 mm diameter 12 mm average annual electricity cost 01951 kwh 683 euros source average electricity cost based on figures from eurostat as of 2