Led spot reflector lamp energy rating a power 4 watt energy consumption 4 kwh1000h series philips master ledspotmv equivalent to light bulb 35 w socket gu10 voltage 230 v light colour warm white light output 272 lumen luminous intensity 925 cd colour temperature 2 700 k beam angle 25 lifespan 50 000 h bulb shape reflector variable intensity dimmable colour rendering index ra 90 ra length 57 mm diameter 50 mm average annual electricit