Led bulb incandescent light energy rating a power 21 watt energy consumption 21 kwh1000h equivalent to light bulb 150 w socket e27 voltage 230 v light colour warm white light output 2 500 lumen colour temperature 2 700 k lifespan 25 000 h bulb shape standard variable intensity dimmable colour rendering index ra 80 ra length 143 mm diameter 67 mm average annual electricity cost 01951 kwh 41 euros schaltzyklen 100 000 quantity 1 pie