The Seeit multimedia cable tester is a handheld tool that allows users to verify and troubleshoot LAN cable UTP/STP of twisted pair, video coaxial, and voice cables. It comes with a main and remote unit for each cable end, and the test results are displayed on an LCD display. The integrated microcontroller allows for easy management and detection of wiring errors such as opens, shorts, miss wires, and S-hl pairs on the twisted pair cabling on the LAN cable.