Discharge lamp power 70 watt energy consumption 70 kwh1000h series osram vialox socket e27 voltage 230 v light colour warm white light output 5 600 lumen colour temperature 2 000 k lifespan 18 000 h bulb shape elliptical style glass bulb average annual electricity cost 01951 kwh 1366 euros source average electricity cost based on figures from eurostat as of 2016