Energy saving bulb energy rating a power 8 watt energy consumption 8 kwh1000h series philips softone equivalent to light bulb 38 w socket e27 voltage 230 v light colour warm white light output 400 lumen colour temperature 2 700 k lifespan 1 000 h variable intensity not dimmable colour rendering index ra 81 ra length 109 mm diameter 56 mm average annual electricity cost 01951 kwh 156 euros schaltzyklen 30 000 weight 36 g quantity