Led bulb led spot reflector lamp energy rating a power 5 watt energy consumption 5 kwh1000h series osram superstar reflector equivalent to light bulb 51 w socket e27 light colour warm white light output 350 lumen luminous intensity 1 000 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 098 euros sc