Led bulb golf ball bulb energy rating a power 6 watt energy consumption 6 kwh1000h series philips master ledluster equivalent to light bulb 40 w socket e27 voltage 230 v light colour warm white light output 470 lumen colour temperature 2 450 k lifespan 25 000 h bulb shape golf ball variable intensity dimmable colour rendering index ra 80 ra length 93 mm diameter 48 mm average annual electricity cost 01951 kwh 117 euros schaltzyklen