Led bulb power 8 watt energy consumption 8 kwh1000h socket r7s voltage 230 v light colour warm white light output 675 lumen colour temperature 2 900 k beam angle 180 lifespan 35 000 h style bulb housing number of leds 30 length 118 mm average annual electricity cost 01951 kwh 156 euros source average electricity cost based on figures from eurostat as of 2016