brand new and high quality Features: Can be used for: telecommunication engineer, wiring engineer and network maintenance engineer, etc. Suitable for directly hunting for telephone wires with RJ11 connectors and BNC connectors. Cable sorting is a process of detecting physical connections in a cable like open circuit, short circuit, wrong circuit and reversed circuit. Use the emitter to detect line level or positive and negative electrode. Two ways to detect connected states of circuits. Cable Tracker only, other accessories demo in the picture is not included! Specification: Item Name: Cable Tracker Material: Plastic Work Temperature: 040,the maximum 80% relatively humidity (no coagulation) Storage Temperature: -1050, the maximum 80% relatively humidity (no coagulation, no battery) Elevation: 2000 meters/78740.16'' Type of Anti-explosion: IP 40 Distance of Sending Signal: 100 meters/3937.01'' Battery: 3x1.5V/AAA (Emitter), 1x6F22/9V (Receiver)(Battery is not included.) Item Color: As the pictures shown RJ45 Cable Length: 16.8cm/6.61'' Emitter Size: 13 x 6 x 3cm / 5.1 x 2.4 x 1.2in Receiver Size: 19.5 x 3.5 x 3cm / 7.7 x 1.4 x 1.2in Quantity: 1 Set Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Packaging includes: 1 x Emitter (Battery is not included.) 1 x Receiver (Battery is not included) 1 x User Manual 1 x RJ11 Cable 1 x Clip Adapter Cable 1 x Bag 1 x Earphone