Energy saving bulb energy rating a power 42 watt energy consumption 42 kwh1000h series philips tornado high lumen equivalent to light bulb 190 w socket e27 voltage 230 v light colour warm white light output 3 100 lumen colour temperature 2 700 k lifespan 10 000 h bulb shape spiral tube style bulb housing variable intensity not dimmable length 207 mm diameter 100 mm average annual electricity cost 01951 kwh 819 euros source average el