Led spot reflector lamp energy rating a power 39 watt energy consumption 4 kwh1000h series osram led star par16 socket gu10 voltage 220 v light colour neutral white light output 230 lumen colour temperature 4 000 k beam angle 36 lifespan 15 000 h bulb shape reflector variable intensity not dimmable mercury free colour rendering index ra 80 ra length 58 mm diameter 50 mm average annual electricity cost 01951 kwh 078 euros sourc