Osram hqi t 400wn
Discharge lamp power 400 watt energy consumption 400 kwh1000h series osram powerstar hqi t socket e40 light colour neutral white light output 42 000 lumen colour temperature 3 500 k lifespan 12 000 h style glass bulb average annual electricity cost 01951 kwh 7804 euros source average electricity cost based on figures from eurostat as of 2016