Halogen light pin socket bulb reflector lamp power 35 watt energy consumption 35 kwh1000h series paulmann quadro socket gu5 3 voltage 12 v light colour warm white luminous intensity 855 cd colour temperature 2 900 k beam angle 60 lifespan 1 500 h bulb shape reflector style bulb housing variable intensity dimmable length 45 mm diameter 37 mm average annual electricity cost 01951 kwh 683 euros source average electricity cost based on