This Power Supply Tester Is A Robust Voltage Tester For Pc Power Supply. Atx, Btx And Itx Compliant, Power Supplies Can Be Tested. Lcd'S Indicate The Status Of Voltage. The Pc / Sps Is Suitable For The Ambitious Hobby User, As Well As For A Quick Functional Check In Specialized Trade. The Methods Of Operation. Plug Power Supply 24 Pin And P4, P6 Or P8 Into The Corresponding Jack Of The Power Te...