Wire Tracker designed for cable network system installation and network technician to diagnostic network problem 1. This item is designed for cable network system installation and network technician to diagnostic network problem 2. Long distance wiring tracing 3. Internet cable order verifying 4. Wiring voltage existence inspection 5. Wiring shorts inspection 6. Low battery indication 7. Streamlined design and easy to carry Telephone Wire Tracker Tracer Diagnose Tone Tool Signal transfer distance: More than 1km Dimension:Transmitter: 118 x 62 x 30mm, Receiver:178 x 35 x 24mm Power: Transmitter: 1.5V AAA 3 Batteries(NOT included), Receiver: 6F22 9V Battery(NOT included) Display: LED Operating Temp.: -10-40 Operating Humidity.: -10-95% Storage Temp.: -20-60 Material: Plastic & Electronics Color: Orange&Gray&Black Paking : 1 x Cable Emitter 1 x Cable Receiver 1 x RJ11 Cable 1 x RJ45 Cable (Battery NOT included) SOONDA 1Km Signal Transfer Distance Wire Tracker Diagnostic Cable Network System Installation network Technician Line Finder Tracker Trace Tone Tool