Enables quick convenient continuity cable testing for all types of cables. LEDs confirm each conductor continuity and connection. 9-way switch for selecting connections to be tested. Internal battery and ground connection status checks. Tests the following types of cable: 6.3 mm jack plug, 2-pin XLR, 5-pin XLR, RCA, 3-pin, DIN, 5-pin DIN, 8-pin DIN, 4-pin S type jack. 4-pin speak on, 8-pin speak on, RJ45 and USB.