Golf ball bulb led bulb energy rating a power 5 watt energy consumption 5 kwh1000h equivalent to light bulb 25 w socket e14 voltage 230 v light colour warm white light output 240 lumen colour temperature 2 800 k beam angle 330 lifespan 25 000 h bulb shape golf ball style bulb housing variable intensity dimmable colour rendering index ra 80 ra length 97 mm diameter 45 mm average annual electricity cost 01951 kwh 098 euros source