Our RJ45 patch cable continuity tester can be used to check wiring pinouts on RJ45 patch cables or for testing wall ports and patch panel wiring in structured buildings using the included remote unit. Please note that this is only a continuity tester and does not test a cable for installation speed, it is not recommended that either of the units are attached to a live network. Specifications: Continuity tester for RJ45 UTP or STP patch cables Easy to read LED display Supplied with remote unit for testing installed wall ports Adjustable speed settings Maximum test length of up to 1000ft Supplied with 9 volt battery and carry case