OMNITRONIC LH-086 is a cable tester for studio and live applications. It tests 3- and 5-pin XLR, 3.5 and 6.3 mm jack, CAT5, DIN, RCA, and 4- and 8-pin speaker cables and connections. The unit provides polarity and short-circuit indication, rotary-switch selection, and continuity testing through two banana sockets with LED and beeper indication. It operates on one included 9 V battery.