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 neutral white light output 307 lumen luminous intensity 1 040 cd colour temperature 4 000 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 elect