Use the 18 included remote units to identify multiple cable runs simultaneously. Check for Power over Ethernet (PoE) and measure cable length. This kit guarantees correct cable installations every time. Backlit display aids reading in low light.roduct featuresCable tester for voice (RJ11/12), data (RJ45) and video coaxial (F-connector)Track cables, wires, paired and individual line cables with a tone generatorSelf-storing Test + Map™ remote unit (no. 1) handles testing, mapping and identifying cable runs in one stepMeasures cable lengths up to 2000 feet (610 m)Identifies multiple cable runs simultaneously with included remote unitsIdentifies 18 RJ45 and 18 F-connector drop locations with large, easy-to-read numbersDetects and tests Power-over-Ethernet (PoE)Backlit LCD display shows cable length, conductor mapping, Cable ID and test resultsHub blink mode to identify jack location on a hub or switchIncludes 1 self-stowing Test + Map Remote unit (31), 18 RJ45 LAN remote locators, 18 F-coax remote locators, 2 jack-to jack coax adapters and a 9 V batteryThe convenient padded carrying case keeps everything together and within easy reach.