... supply,size;170*120*93mm,led driver,led power supply;bigger one PWM design, make sure the stability and high efficiency of power supply.*2 ... voltage output, assume stable power supply for LED lightings to reach long lifetime and reduce led light decay.*6, Input Voltage: AC110 ... /48V/500W switch mode power supply,size;170*120*93mm,led driver,led power supply;bigger one