Halogen light pin socket bulb energy rating c power 35 watt energy consumption 35 kwh1000h series osram halostar eco osram halostar equivalent to light bulb 50 w socket gy6 35 voltage 12 v light colour warm white lifespan 2 000 h style glass bulb variable intensity dimmable colour rendering index ra 100 ra length 44 mm diameter 12 mm average annual electricity cost 01951 kwh 683 euros source average electricity cost based on figures fr