Features: The C019 Telephone Line Tester offers precise detection and rapid identification of line faults, significantly enhancing work efficiency for professionals in telecommunications and networking. This lightweight and portable device is crafted from ABS plastic, ensuring easy handling and long lasting performances. Suitable for electricians, Networking engineers, home repair enthusiasts, and other professionals requiring reliable line testing capabilities. Perfectly suited for various environment, including home wiring inspections, office Networking maintenance, and industrial site line testing, providing functionality across settings. With its simple operation and comprehensive Networking testing features, the C019 Telephone tester is essential tool for anyone involved in maintaining or troubleshooting communication lines. Specifications: Component:ABS Color:Gray/White Size:Approx.147x46mm/5.79x1.81inch Package Includes: 1 Set Telephone Line Tester note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.