100% and high quality. OOTDTY Features: Cable tester tester for utp / stp / rj45 / rj1. Scans scans automatically for fault wiring, clutter cable, open and short circuit. Tel tel bnc test available (adapter required). Remotely test cable remotely up to 1000 feet long (remote kit included). Switch protective power switch for low power consumption. High quality protective housing case provides more secure protection. Judge judge continuity of cables or wires. Track track cables or wires, and diagnose the breaking point. Receive receive the tone signal on the cables or wires (telephone line). Identify identify the status on the work phone line (clear, busy ring). Send send a single solid tone or a double alternating tone to the object's cables or wires. Comes comes with headphones that can be used in noisy situations. Cable Tester Tracker Kit only, other accessories demo in the picture is not included. Specifications: Power Supply: 9V（6F22 Model）Battery (not included) Material: ABS + Electronic Components Bag Size: app.150x230x46mm/5.91x9.06x1.81in Color: As pictures shown Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Emitter 1 x Receiver 1 x Headphone 1 x RJ11 Cable 1 x RJ45 Cable 1 x Cable with Crocodile Clamp 1 x User Manual 1 x Tool Bag