Ensure accurate and efficient testing of your network and telephone cables with this high-quality Network Cable Tester. Designed to identify wire circuit conditions such as open circuits, short circuits, and crossed connections, this tester supports both RJ45 Ethernet cables and RJ11 telephone cables, making it an essential tool for network technicians and home users alike. Key Features: · Comprehensive Cable Testing: Accurately detects wire faults including open circuits, short circuits, and crossed wires in network and telephone cables. · Compatible with RJ45 and RJ11 Cables: Suitable for testing a wide range of cables including Ethernet (RJ45) and telephone cables (RJ11), providing versatile functionality. · Automatic Scan Mode: Features an automatic scanning function that quickly delivers precise test results, saving you time during troubleshooting. · Detachable Remote Section: Equipped with a detachable remote unit, allowing convenient testing of cable runs in different locations without disconnecting the entire setup. · Clear LED Indicators: The main tester and remote unit use clear LED lights to display the status of each wire, helping you easily identify wiring errors or faults. · Compact and Lightweight: Designed for portability with a lightweight and compact build, ideal for both fieldwork and home use. Specifications: · Condition: 100% Brand New · Weight: Approx. 115g (4.1oz) · Size: Approx. 10.5 x 9.8 x 2.8 cm (4.1 x 3.9 x 1.1 in) Usage Instructions: 1. Insert cable connectors into the main tester and remote unit. 2. Switch ON for normal test speed, "S" for rapid test speed, and OFF to power down. 3. Observe the LED indicators labeled 1 to 8 and G on both units to determine wiring status:  - Open circuits are indicated by unlit LEDs corresponding to the faulty wires.  - Crossed wires show mismatched LED sequences between main and remote units.  - Short circuits are displayed by dim or unlit LEDs on the remote unit. Package Includes: · 1 x Network Cable Tester This Network Cable Tester offers reliable and fast diagnostics for network and telephone wiring, helping you maintain optimal connectivity and troubleshoot wiring issues with ease. Its versatile compatibility, automatic scanning, and user-friendly design make it a must-have tool for professionals and DIY enthusiasts.