Feature:1. The four-in-one tester is a multi-function network tester that integrates four functions, which is practical and convenient2. Can test telephone lines, network cables, USB cables, and BNC cables, can quickly test open, short circuit, and reverse connections3. By using the included remote terminator with the tester), the cable can be easily tested before and after the cable is installed4. Easy to use and powerful, which is an indispensable professional tool for engineers, professional maintainers and inspectors5. Possess the functions of automatically scanning and detecting network cables, checking the correctness of jumpers, short circuits and core wire arrangement orderSpecification:Item Type: Coaxial Cable TesterModel: GL-8024Test Type: UTP and STP RJ45 / RJ11 / USB / BNCPort: RJ45 / RJ11 / USB / BNCFunction: Open/short circuit testConnection Display:No connection/no terminal indicationConnection error/non-parallel connection displayEthernet 10BASE-2 terminator value detectionDisplay: Visible LED display can provide operating statusMaximum Cable Length: 300ftPower Supply: 9V alkaline battery(not include).Package List:1 x Cable Tester1 x Storage Bag1 x User Manual1 x Connector