The Triplett LVPRO30 Low Voltage Pro Multifunctional Cable & Network Tester with RJ45 & Coax ID Remotes is capable of running a variety of cable testing procedures, including Cable Map, Ethernet Switch Port Blink, Speaker Pop, Cable Length, PoE Volts, Battery Test, and 10/100/1000 indication. The LVPro can store up to 250 results for later printing and features an adjustable backlit display as well as the capability to attach Test Modules. The LVPro is compatible with speaker cable, coax, alarm cable and Category cable (CAT5,6); furthermore, if you have a unique cable, the LVPro has adjustable VOP, a technology that allows it to be tuned to your cable.