Circuit and Wire Tracers: Tester Type - Circuit Identifier; Circuit Type - Live; Voltage AC - 9 - 300V (Wires), 300 - 600V (Breakers); Voltage DC - 9 - 300V (Wires); Identifies - Breakers, Fuses, Wires, Breaks, Shorts, Ground Faults; Contents - Receiver, Transmitters, Pigtail Connector, Receptacle Adapter, Ear Phone, 2:1 Voltage Converter; Batteries - 9V; Case - Plastic; Manufacturer Series - Current Tracer