Energy saving bulb reflector lamp power 7 watt energy consumption 7 kwh1000h series megaman compact reflector equivalent to light bulb 40 w socket e14 voltage 230 v light colour warm white luminous intensity 75 cd colour temperature 2 700 k lifespan 15 000 h bulb shape reflector style bulb housing variable intensity not dimmable length 87 mm diameter 50 mm average annual electricity cost 01951 kwh 137 euros source average electricity c