Halogen light energy rating c power 150 watt energy consumption 150 kwh1000h series osram halolux eco socket e27 voltage 230 v light colour warm white light output 2 870 lumen colour temperature 2 900 k lifespan 2 000 h bulb shape tubular style glass bulb variable intensity dimmable length 105 mm diameter 32 mm average annual electricity cost 01951 kwh 2927 euros source average electricity cost based on figures from eurostat as of 2016