This is a Network LAN Cable Tester that supports USB connectors and can test various types of cables such as RJ45, RJ11, and Ethernet Cat 5, 5e, and 6. It is a useful tool for those in need of checking the connectivity of their network cables. The brand of this cable tester is Ebeyexpress and it falls under the category of Computer Cable Testers, Computer Cables & Connectors, and Computers/Tablets & Networking. With this cable tester, you can easily confirm whether your cables are functioning properly without having to worry about their condition.