Incandescent light led bulb energy rating a power 5 watt energy consumption 5 kwh1000h equivalent to light bulb 50 w socket gu10 voltage 240 v light colour warm white light output 355 lumen luminous intensity 700 cd colour temperature 2 700 k beam angle 36 lifespan 15 000 h bulb shape reflector variable intensity not dimmable colour rendering index ra 80 ra length 53 mm diameter 50 mm average annual electricity cost 01951 kwh 09