... * Constant current, good performance * Easy to install TUV CE LED Driver (PF>0.9) Working temperature: -20-45 degree ... celciusSuitable for LED spot light, downlight, track light...Transform AC110V-240V to DC3 ... 9PF>0.9110-240110-24024-4024-40320540115x45x27.5115X45X27.5Supplied with LED downlight, ceiling light, spot light, track light....Zhongshan Guzhen ...