12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led power supply;bigger one PWM design, make sure the ... 4, Function: with overvoltage protection, short-circuit protection, over-load protection*5, Constant voltage output, assume stable power supply for LED lightings ... 25 to 45 degreesize:170*120*93mm 12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led ...