Energy saving bulb energy rating a power 13 watt energy consumption 13 kwh1000h series megaman ultra compact equivalent to light bulb 60 w socket e27 voltage 230 v light colour warm white light output 663 lumen colour temperature 2 700 k lifespan 15 000 h bulb shape standard style glass bulb variable intensity not dimmable length 102 mm diameter 55 mm average annual electricity cost 01951 kwh 254 euros source average electricity cost