Led bulb energy rating a power 10 watt energy consumption 37 kwh1000h series osram led superstar classic a advanced equivalent to light bulb 60 w socket e27 voltage 230 v light colour warm white light output 806 lumen colour temperature 2 700 k lifespan 20 000 h bulb shape standard style glass bulb variable intensity dimmable mercury free length 110 mm diameter 60 mm average annual electricity cost 01951 kwh 722 euros schaltzyklen