Internet Speed- Capability Network Cable Tester, Lan Cat5 Ethernet, Line Tool. Features: Test of Double-twisted Cables: Switch on the Power. Put Cables into Both Main Tester and Remote Tester. The Lights of the Main Tester Will Turn on Sequentially from 1 to G Switch ON the Normal Test Speed, S for the Slow Test Speed, M for the Manual Transmission If Two Cables Are Short Circuited, Neither of the Corresponding Lights is on of the Remote Tester While Main Tester Remains Unchanged. If Three Cables, Including Three, Are Short Circuited, None of the Corresponding Lights is On If Test Patch Panels or Wall Plate Outlet, Two Cables Which Can Match Each Other ( RJ45 ) Will Be Connected to the Tester If Test Cables of the Same Axes, BNC Turns on when the Cable Works Automatic Scanning, Rapid Testing, Streamlined Appearance, Ergonomic Design Smooth Lines and Simple, Drop Resistance, Anti-light Design Specifications: Package: Yes Type: Cable Tester Model Number: ZD0267 Package Weight: 0.141 Kg Main Tester: 1-2-3-4-5-6-7-8-G Remote Tester: 1-2-3-4-5-6-7-8-G RJ45 / 1-2-3-4-5-6 RJ11 Product Size(L X W X H): 10.50 X 10.00 X 2.00 Cm / 4.13 X 3.94 X 0.79 Inches Package Size(L X W X H): 13.50 X 11.00 X 3.00 Cm / 5.31 X 4.33 X 1.18 Inches Package Contents: 1 X RJ45 RJ11 RJ12 CAT5 UTP Network LAN Cable Tester Networking Tool . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.