The Minitracker cable tester provides you with a speedy and reliable testing solution for shorts, opens, or continuity in multiple or single coax runs. The tone mode on this Ideal Industries cable tester transmits signal on coaxial cable for tracing. The warning LED on this Ideal Industries coax tester helps detect voltage by lighting up. With an installed 6V battery, the Minitracker cable tester is ready to shoot. The low LED on this Ideal Industries cable tester starts flashing thus alerting you to replace battery. Whether it is for cable TV, broadcast, security video or building/home automation system applications, this Ideal Industries coax tester should be your ideal choice.