Reflector lamp energy rating a power 75 watt energy consumption 22 kwh1000h series osram parathom par16 equivalent to light bulb 50 w socket gu10 light colour warm white light output 390 lumen luminous intensity 950 cd colour temperature 2 700 k beam angle 36 lifespan 25 000 h bulb shape reflector variable intensity dimmable colour rendering index ra 80 ra length 58 mm diameter 35 mm average annual electricity cost 01951 kwh 429