Energy saving bulb candle bulb energy rating a power 12 watt energy consumption 12 kwh1000h series philips softone esaver equivalent to light bulb 20 w socket e27 voltage 230 v light colour warm white light output 617 lumen colour temperature 2 700 k lifespan 10 000 h bulb shape candle style bulb housing variable intensity not dimmable colour rendering index ra 81 ra length 112 mm diameter 44 mm average annual electricity cost 01951 kw