... 500W switch mode power supply,size;170*120*93mm,led driver,led power supply;bigger one PWM design, make sure ... assume stable power supply for LED lightings to reach long lifetime and reduce led light decay.*6, Input Voltage ... you place the order) Output power:500w*7, Non-waterproof*8, CE & ROHS certificate*9, Working tempreture: - ... power supply,size;170*120*93mm,led driver,led power supply;bigger one