Tone generator

Features: The cable tracker is designed to identify and trace wires or cables within a group without damaging the insulation. For telephone line, it can identify some states in the line, and can help to install, debug, maintain telephone line. Judge continuity of the cables or wires. Track the cables or wires, and diagnose the break point. Receiver the tone signal on the cables or wires (telephone line). Identify the state in the working telephone line (clear ring, busy). Specification: Material: Plastic Receiver Size: Approx. 23.5x3.5cm/9.25x1.38" Emitter Size: Approx. 14.5x3.5cm/5.71x1.38" Power Supply: 2 x 9V Batteries (Not Included) Frequency Signal: 1.5kHz Receive Frequency Range: 100-300kHZ Package Includes: 1 x Sender 1 x Receiver 1 x Pouch 1 x User manual Details Pictures: