Led bulb led spot energy rating a power 72 watt energy consumption 8 kwh1000h series osram superstar reflector equivalent to light bulb 80 w socket gu10 voltage 230 v light colour neutral white light output 575 lumen luminous intensity 1 439 cd colour temperature 4 000 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 156 eur