Description:
The TL-TE-RJ cable tester checks for continuity in RJ11, RJ12, RJ45 and coax cables. Connect the remote end of the tester to one end of your cable, and the other end into the tester itself. It uses a 9V battery (not included).

Specs:
Checks for continuity in RJ11, RJ12, RJ45 and coax cables