Cable tester tests voice (RJ11/12), data (RJ45) and video (coax F-connector)_ terminated cables with clearly defined results Measure cable length up to 2000 feet (610 m) Test for Open, Short, Miswire or Split-Pair faults Backlit LCD screen displays cable length, wiremap, cable ID and test results Trace cables, wire pairs and individual conductor wires with multiple style tone generator (requires analog probe Cat. No. VDV500-123; sold separately) Hub blink mode to identify port location on a hub or a switch LanMap and CoaxMap Location Remotes (5 each) map and ID multiple cable runs in a single step Includes voltage warning, shield detection, auto power off, low battery indicator and a self-storing remote