Brand name(s) : Quest Technology International (QTI)

Amplifier probe and tone generator kit For tracing low voltage wiring (telephone/data) Set includes both units in zippered carry case. The amplifier probe is designed to identify and trace wires. It features a volume control and recessed on/off switch. The tone generator features selectable single or dual alternating tone, a 3-color led for line polarity, continuity and voltage testing. A test lead set and RJ-11 4 conductor cord and plug are included.

*** Batteries are not included *** , 2 x 9v batteries are required (1 for probe, 1 for tone generator)