Led bulb led tube light energy rating a power 25 watt energy consumption 30 kwh1000h series philips master ledtube socket g13 voltage 230 v light colour neutral white light output 3 100 lumen colour temperature 4 000 k lifespan 40 000 h bulb shape tubular variable intensity not dimmable colour rendering index ra 83 ra length 1 514 mm diameter 28 mm average annual electricity cost 01951 kwh 585 euros source average electricity cost b