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 ... :170*120*93mm 12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led power supply;bigger one