1、LCD liquid crystal display, the output voltage is clear at a glance. 2、If there is any defect, the buzzer will automatically alarm. 3、It can also measure the output wire P4/P6/P8/SATA/IDE, and the external DIE/SATA/P6/P8 is the light display, there is no LCD voltage. There is LCD voltage display only when connecting to the 24pin or 20pin. 4、This power tester only needs to be connected to the power supply ATX connector to easily and intuitively know whether the output of each power supply is normal. Power Star Power Tester is a powerful power test device that can detect ATX, BTX, ITX, TFX co 5、We have developed a portable computer power tester for the power supply market that cannot judge the quality of the power supply. It has LCD intuitive and accurate display voltage (+/‑0.01V), automatic fault alarm, complete test interface, small and beau