Supports continuity tests for network cables to verify correct wiring sequence and detect open circuits, short circuits, connections, and miswiring. Suitable for RJ45 Ethernet cables, making it ideal for network deployment and troubleshooting. Integrated POE Tester Function,Built-in POE (Power over Ethernet) testing capability allows you to quickly detect whether a line supports POE, identify power supply type and presence, and help diagnose power-related network issues without extra tools. High- Network Cabling Finder,The -PN-F network cabling finder is designed for fast and accurate tracing of network cables in complex wiring environments. Easily identify and locate Ethernet lines in offices, data centers, and home networks, improving installation and maintenance efficiency. Optimized circuit and anti-interference design help the device work stably even in environments with strong electrical noise. This ensures more accurate cable tracing and testing in server rooms, wiring closets, and industrial sites., Weight: 0.96893164149 pounds, Manufacturer: Frewurwer