Digital Automotive Wire Finder Short Open Circuit Tester Cable Car Scanner 6~42V Descripiton The Automotive Short and Open Finder car repair tool was designed to identify and trace wires or cables without damaging the insulation .  You can also use it in checking for short circuit and locating open circuit and so on.  This set include Sender and Receiver with a flexible tracing wires ,can use in inside bundles, conduits, behind panels, under carpets, upholstery, etc. Features Receiver probe is made of coiled steel, can be bent inorder to reach wires in congested areas. Operates on DC voltages from 6 to 42 volts Internal protection against power surges and overloads Flexible probe allows the wires reach to congested places Transmitter and Receiver LEDs show open or short circuit conditions Adjustable sensitivity for all tracing situations No wire piercing required, non-contact technology PACKING LIST 1 pcs DY25 Sender  1 pcs DY25 Receiver  1 pcs User manual（in English） 1 pcs Oxford handbag