Check cables for continuity and identify individual wires. Ideal for speaker cable polarity checking. LED indication for open circuit, shorts and correct or wrong polarity. Pushbutton operation with auto power off.
* Low power consumption: 10mA max.
* Power supply: 9V battery operated (not included)
* Main board: 2.2" x 1.6" x 1.3"
* Remote board: 1.6" x 0.3"