Led spot energy saving bulb led bulb reflector lamp energy rating a power 6 watt energy consumption 6 kwh1000h series osram superstar reflector equivalent to light bulb 65 w socket gu10 voltage 230 v light colour neutral white light output 460 lumen luminous intensity 1 164 cd colour temperature 4 000 k beam angle 120 lifespan 25 000 h bulb shape reflector variable intensity dimmable colour rendering index ra 80 ra average annual electri