Oshion&reg; DC Power Supply, 030V, 05A or 010A Variable Linear Analog Display with Alligator Cable and Power Cord, Digital Adjustable Regulated Stabilizer Power Supply (010A) LED screen displays output voltage and current. Adjustable design could meet your various demands. Auto shift between voltage stabilization and current stabilization. Selectable over-current protection, widely applied to daily fields. With 4pcs potentiometers, respectively for output voltage and output current.