This is a DC12V power supply unit for professional use on LED lightning security surveillance system CCTV security camera IP camera etc. Safety design with shortage protection overload protection and auto voltage switching. Regulated voltage & current output. This is a perfect choice to use as a LED Driver for LED lighting without flickering light & ensue the life span of your LED. Current output is possible for LED lighting with dimmable function. Voltage output fine adjustment is available for different power. - Color: Silver - Iron housing - Input: AC 100~220V / 47~63Hz - Output: DC 12 V / 3A - Great switching power supply for home appliances