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 (labeled in English) Full support list: ATX 8P/6P/ Floppy/SATA/HDD/CDROMEnglish user's guide included Specification: Weight Approx:82.5g Size Approx:12.2 x 5.6 x 1.8