UGREEN Network Cable Tester RJ45 and RJ11 - NW167 10950

Automatically runs all tests and checks for open, short, and crossover wire pairs. Visible status LED display. DC line detection, anode/cathode detection, ring signal detection, short circuit and cross tests. Cable type: RJ11 telephone cable and RJ45 LAN cable. Connectors: RJ11 6P and RJ45 8P. Power supply: 9V DC battery