... /24 Pin ; POWER SUPPLY TESTERProduct IntroductionThe power supply tester is a robust voltage, tester for PC-power supply ATX, BTX and ITX compliant ... , power supplies can be tested, indicate the status of voltage, The ... , +5V,+3.3V;SpecificationVoltage source: 20/24 pin (ATX-connector)Voltage test: +12V,-12V,+5V-5V,+3.3V,5V Stand by ...