Reflector lamp led spot power 17 watt energy consumption 17 kwh1000h series philips master ledspot equivalent to light bulb 100 w socket e27 voltage 230 v light colour warm white light output 810 lumen luminous intensity 3 500 cd colour temperature 2 700 k beam angle 25 lifespan 25 000 h bulb shape reflector variable intensity not dimmable colour rendering index ra 80 ra length 133 mm diameter 122 mm average annual electricity cost 019