Trace all types of copper cables including data, telephone, electrical and COAX easily using the probe and tone generator. Industry leading power output provides dependable cable tracing over long distances. Find cabling fast using the visual signal indicator and powerful speaker combination. Kit contents: Amplifier Probe, tone generator, 2 x 9V battery, user guide, RJ45-RJ11 adapter, RJ45 to crocodile clips and carry case.