Halogen light pin socket bulb reflector lamp power 50 watt energy consumption 50 kwh1000h series philips brilliantline dichroic socket gu5 3 voltage 12 v light colour neutral white luminous intensity 1 100 cd colour temperature 4 000 k beam angle 60 lifespan 3 000 h bulb shape reflector uv filter diameter 51 mm average annual electricity cost 01951 kwh 976 euros source average electricity cost based on figures from eurostat as of 2016