YAXUN  Variable 30V 5A DC Power Supply For Lab PS-305D 110V/220 adjustment,  digital regulated DC power supply Brand      : YAXUN model      :  YX-305D Function :  output 0–30v,  0–5A Input  110v  or 220v can adjust in the back     Categories: Accessories, DC Power Supply Adjustable, Electronics, Laptops & Computers, YX-305D Brand: YAXUN