Halogen light pin socket bulb reflector lamp power 14 watt energy consumption 14 kwh1000h series osram decostar 51 eco socket gu5 3 voltage 12 v light colour warm white luminous intensity 2 800 cd colour temperature 3 000 k beam angle 10 lifespan 5 000 h bulb shape reflector style bulb housing variable intensity dimmable uv filter length 45 mm diameter 51 mm average annual electricity cost 01951 kwh 273 euros source average electr