Led bulb golf ball bulb energy rating a power 4 watt energy consumption 4 kwh1000h series philips master ledluster equivalent to light bulb 25 w socket e27 voltage 230 v light colour warm white light output 250 lumen colour temperature 2 450 k lifespan 25 000 h bulb shape golf ball variable intensity dimmable length 93 mm diameter 48 mm average annual electricity cost 01951 kwh 078 euros schaltzyklen 50 000 weight 72 g quantity 1