Welcome to our store! 1、Line Tracking: Quickly find the target wire among numerous network and telephone lines. 2、Line Detection: Automatic efficient scanning for misconnection, disordered cable, short circuit, broken circuit, and other breakpoints. 3、With earphone support to enable service technicians to work conveniently and comfortably in noisy environments. 4、Sensitive sensor, stable and reliable. 5、High-quality protective case provides safer protection. Features: 1. Line Tracking: Quickly find the target wire among numerous network and telephone lines. 2. Line Detection: Automatic efficient scanning for misconnection, disordered cable, short circuit, broken circuit, and other breakpoints. 3. With earphone support to enable service technicians to work conveniently and comfortably in noisy environments. 4. Sensitive sensor, stable and reliable. 5. High-quality protective case provides safer protection. 6. Used in telecommunications network line engineering and daily maintenance, computer network line engineering, other metal wire line engineering, and maintenance work. Specification: Optional Color: #1 (Blue), #2 (Light Blue) Battery: 2 * 9V Battery (Not Included) Weight: Approx. 400-405g / 14.1o-14.3z Package List: 1 * Cable Emitter 1 * Cable Receiver 1 * RJ11 Cable 1 * RJ45 Cable 1 * Earphone 1 * Cable with Crocodile Clip 1 * Black Bag We strive to achieve your satisfaction and only provide you with a great shopping experience. If you have any questions after receiving the goods (incorrect product quantities, damaged packaging, etc.), please contact us in time! We will provide you with the best solution. Quickly and efficiently troubleshoot network and telephone lines with this versatile cable tester. Perfect for technicians and DIY enthusiasts, ensuring reliable and accurate results.