Specifications:

• Type: Cable Tester
• Transmitter size: 22 * 8.3 * 4.3cm/ 8.6 * 3.2 * 1.7in
• Transmitter power supplied by: 1 * DC 9V 6F22 battery (not included)
• Send audio dignal frequency: 4KHz
• Receiver power supplied by: 1 * DC 9V 6F22 battery
• Receive frequency range: 100 to 300KHz
• Package: Yes
• Operating temperature: 0 to 50 Celsius degree
• Model Number: Multi-purpose Wire Tracker Cable Tester
• Brand Name: CAKEYCN