Triplett LVPRO30SR Low Voltage Pro Model 30 with Smart Remotes meets all low voltage installation demands and provides accurate tests that work with all cables. Triplett LVPR30SR can measure lengths as well as find distances to opens and shorts, works with voice, video, speaker, alarm and data cables, uses TDR technology, and includes new Smart Remotes that allow for testing of multiple cables along with cable ID. The Triplett LVPRO30SR Low Voltage Pro Model 30 with Smart Remotes is fantastic for installation and maintenance of CAT5/6 cables, VoIP phone and IP cameras, Ethernet devices, CCTV Security Cameras, and overall IT and network management.