Circuit and Wire Tracers: Tester Type - Circuit Identifier; Circuit Type - Live or Dead; Voltage AC - 9 - 600V; Identifies - Breakers, Fuses, Wires, Buried Wire & Pipes, Breaks, Shorts, Ground Faults; Contents - Receiver, Transmitter, 110V-Banana Plugs, Alligator Clips-Banana Plugs, 25 ft.Ground Test lead, Ground lead Alligator Clip, Clamp-on Transmitter, Rechargeable Battery Pack and Battery Charger.; Case - Plastic; Manufacturer Series - AT-4000 CON