Features: Plug the connector of the power supplys into this power supplys tester, and you can know whether there is a problem with the power supplys, which is very convenient and fast. Support 20Pin, 24Pin ATX power supplys, SATA power supplys, 4Pin, 8Pin interface of P4, PCI-E graphics card 6Pin power interface, molex/Xeco power interface, standard 4Pin power interface and SATA interface. The voltage of each group of power supplys can be measured as 3.3V/+5V/+12V/-12V/SB+5V/PG. If there is a defect, the buzzers will automatically alarm. It can also measure the output cable P4/P6/P8/SATA/IDE, the external DIE/SATA/P6/P8 is displayed by the lamp, and there is no LCD display voltage. Only when 24pin or 20pin is connected will there be LCD display voltage. The portable design and simple operation are very suitable for hobbyists or daily work.