Circuit and Wire Tracers: Tester Type - Circuit Identifier; Circuit Type - Live or Dead; Voltage AC - 0 - 750V; Voltage DC - 0 - 750V; Identifies - Breakers, Fuses, Wires, Breaks, Shorts, Junction Boxes; Contents - Receiver, Transmitter, AC Blade, AC Plug Adapter, (2) Extension Leads, (2) Alligator Clips; Batteries - 2 AA (included); Case - Plastic; Manufacturer Series - Circuit Seeker