Keep your network running smoothly by testing your cables to uncover problematic shorts, open wires, crossing pairs and other wiring mishaps
Use for testing your homemade Ethernet patch cables to make sure they are in working order prior to connecting to your devices
Tests RJ45 cables, RJ11 telephone cables and network cables
Easy to read LED display indicates problems.Hand-held for portability.
Requires one 9-volt battery (not included)