Led bulb led spot energy rating a power 6 watt energy consumption 6 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 990 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 length 58 mm diameter 50 mm average annual electricity cos