Led bulb led spot reflector lamp energy rating a power 55 watt energy consumption 55 kwh1000h equivalent to light bulb 50 w sockets gu10 230 gz10 voltage 240 v light colour warm white luminous intensity 600 cd colour temperature 2 700 k beam angle 36 lifespan 15 000 h bulb shape reflector variable intensity dimmable colour rendering index ra 80 ra length 53 mm diameter 50 mm average annual electricity cost 01951 kwh 107 euros