Osram hqi t 250wnsi
Discharge lamp power 250 watt energy consumption 250 kwh1000h series osram powerstar hqi t socket e40 light colour neutral white light output 20 000 lumen colour temperature 3 700 k lifespan 12 000 h style glass bulb average annual electricity cost 01951 kwh 4878 euros source average electricity cost based on figures from eurostat as of 2016