Halogen light reflector lamp power 42 watt energy consumption 42 kwh1000h series philips ecoclassic30 nr63 socket e27 voltage 230 v light colour warm white colour temperature 2 800 k lifespan 2 000 h bulb shape reflector variable intensity dimmable diameter 63 mm average annual electricity cost 01951 kwh 819 euros source average electricity cost based on figures from eurostat as of 2016