Energy saving bulb daylight bulb golf ball bulb energy rating a power 11 watt energy consumption 11 kwh1000h series sylvania mini lynx fast start equivalent to light bulb 55 w socket e27 voltage 230 v light colour daylight white light output 575 lumen colour temperature 6 000 k lifespan 15 000 h bulb shape compact fluorescent tube style bulb housing variable intensity not dimmable average annual electricity cost 01951 kwh 215 euros source