Halogen light pin socket bulb reflector lamp power 35 watt energy consumption 35 kwh1000h series philips twistline alu socket gu10 voltage 230 v light colour warm white luminous intensity 250 cd colour temperature 2 800 k beam angle 40 lifespan 2 000 h bulb shape reflector variable intensity dimmable uv filter length 51 mm diameter 51 mm average annual electricity cost 01951 kwh 683 euros source average electricity cost based on figu