LAN tester: 8P8C (RJ45), 6P6C (RJ12), 6P2C (RJ11), 4P4C (RJ10)

With this handy tool, you can quickly and easily detect short circuits, open circuits, broken wires and other wiring faults. How does it work? Simple! Connect each cable end of the test cable to the cable testers. When all the lights turn green one by one, the wires are connected properly and the network cable is working.+ Clear test result: The easy-to-read LED indicator shows the problem.
+ Detachable design: The tester has a detachable section making it perfect for testing cables in different locations.
+ Choice of two speeds: The cable tester features 2 speed switches: "ON" to perform the cable test at moderate speed "S" to perform the cable test at slow speed.
+ Suitable for RJ-45, 10 BASE-T, Token Ring, RJ11/12 cables
+ Requires 1 x 9V battery (not included)