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 less ... 4, Function: with overvoltage protection, short-circuit protection, over-load protection*5, Constant voltage output, assume stable power supply for LED lightings ...