New, but not in original packaging ships in the case it came in. Specially designed for the Ethernet user, this tester is a full-function BNC coaxial tester and 10BASE-T UTP tester rolled into one compact, affordable cable tester. Detects shorts and opens on coaxial lines terminated with male BNC connectors and also tests for continuity of the 1-2 and 3-6 pairs used in 10BASE-T wiring. Master and remote units separate for checking installed wiring. Includes 9V battery and protective case.