Led tube light energy rating a power 22 watt energy consumption 22 kwh1000h series osram substitube basic socket g13 voltage 230 v light colour neutral white light output 2 200 lumen colour temperature 4 000 k lifespan 40 000 h bulb shape tubular style bulb housing variable intensity not dimmable mercury free colour rendering index ra 80 ra diameter 28 mm average annual electricity cost 01951 kwh 429 euros source average electricit