Description: Features: Brand new and high quality. 1.Judge the continuity of the wires and cables. 2.Track the wires and cables, and diagnose the break point. 3.Receive the tone signal on the cables and wires. 4.Identify the state in the working telephone line.(clerar, ring, busy) 5.Send a singal solid tone and dual alternating tone to object the cables and wires. Specifications: Item Type: Network Tracker Diagnose Finder Tools Material: Plastic Color: Yellow Instrument Size: 23.543.5cm/9.251.571.38in (Approx) Small Instrument: 6.55.53.5cm/2.562.171.38in (Approx) Package Size: 2411.53.5cm/9.454.531.38in Quantity: 1 Set (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: (With retail package) 1 X Network Tracker Diagnose Finder Tools 1 X Package