Led spot reflector lamp pin socket bulb power 4 watt energy consumption 4 kwh1000h socket gu5 3 voltage 12 v light colour warm white colour temperature 2 900 k beam angle 120 lifespan 40 000 h bulb shape reflector style bulb housing variable intensity not dimmable length 46 mm diameter 50 mm average annual electricity cost 01951 kwh 078 euros source average electricity cost based on figures from eurostat as of 2016