... 12V/24V/48V/500W switch mode power 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, Anti-jamming, passed EMC test, wave ... protection*5, Constant voltage output, assume stable power supply for LED lightings to reach long lifetime and ... 12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led ...