Candle bulb led bulb energy rating a power 5 watt energy consumption 5 kwh1000h series osram led superstar classic b equivalent to light bulb 25 w socket e14 voltage 230 v light colour warm white light output 250 lumen colour temperature 2 700 k lifespan 25 000 h bulb shape candle style bulb housing variable intensity dimmable mercury free length 109 mm diameter 35 mm average annual electricity cost 01951 kwh 098 euros source aver