Halogen light energy rating d power 60 watt energy consumption 60 kwh1000h series osram halolux t eco socket e14 voltage 230 v light colour warm white light output 820 lumen colour temperature 2 800 k lifespan 2 000 h bulb shape tubular style glass bulb variable intensity dimmable uv filter length 80 mm diameter 26 mm average annual electricity cost 01951 kwh 1171 euros source average electricity cost based on figures from eurostat a