12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led power supply;bigger one PWM design, make sure the ... the output voltage when you place the order) Output power:500w*7, Non-waterproof*8, CE & ROHS certificate*9, Working tempreture ... degreesize:170*120*93mm 12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led power supply;bigger one