Led bulb halogen light reflector lamp energy rating a power 14 watt energy consumption 14 kwh1000h equivalent to light bulb 100 w sockets r7s rx7s voltage 240 v light colour warm white light output 1 500 lumen colour temperature 3 000 k lifespan 15 000 h bulb shape halogen rod variable intensity dimmable colour rendering index ra 80 ra length 118 mm diameter 29 mm average annual electricity cost 01951 kwh 273 euros schaltzyklen 50