... 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 ... *5, Constant voltage output, assume stable power supply for LED lightings to reach long lifetime and ... output voltage when you place the order) Output power:500w*7, Non-waterproof*8, CE & ... 48V/500W switch mode power supply,size;170*120*93mm,led driver,led ...