Overview: Digitally tests the connectivity & power voltage coming out from various vital PC power connectors Tests ATX power supply connector from PSU, regular HDD/DVD power connector, & SATA power connectors Displays results via the on-unit LED panel (labelled in English) Full support list: ATX 24P/20P/8P/6P/4P/ Floppy/SATA/HDDEnglish user's guide