Energy saving bulb energy rating a power 12 watt energy consumption 12 kwh1000h series philips master pl electronic philips master ambiance equivalent to light bulb 52 w socket e27 voltage 230 v light colour warm white light output 630 lumen colour temperature 2 700 k lifespan 12 000 h bulb shape standard style bulb housing variable intensity not dimmable length 125 mm diameter 65 mm average annual electricity cost 01951 kwh 234 euros