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 than 20MV.*3, Efficiency above 80%, exotherm less than 25 degree*4, Function: with overvoltage protection, short-circuit protection, over-load protection*5, Constant voltage output, ...