Led bulb led spot reflector lamp energy rating a power 46 watt energy consumption 5 kwh1000h series osram superstar reflector equivalent to light bulb 50 w socket gu10 voltage 230 v light colour warm white light output 350 lumen luminous intensity 850 cd colour temperature 2 700 k beam angle 36 lifespan 25 000 h bulb shape reflector variable intensity dimmable colour rendering index ra 80 ra average annual electricity cost 01951 kwh