... led driver,led power supply;bigger one PWM design, make sure the stability and high ... above 80%, exotherm less than 25 degree*4, Function: with overvoltage protection, short-circuit ... power supply for LED lightings to reach long lifetime and reduce led light decay.*6, Input ... 9, Working tempreture: -25 to 45 degreesize:170*120*93mm 12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led ...