This LAN tester for different cable types is indispensable in network installation and maintenance.
This compact device can be used for testing network. Telephone (RJ-45 RJ-11 RJ12)and most types of computer cable

----advanced design for easy testing
----ability to test cables from a distance and in places that are not easily accessible
----automatically runs all tests and checks for continuity, open, shorted and crossed wire pairs
----switch can automatic shut when open, short and crossed wire pairs
----slow and fast tester switch
----test RJ45, 10 base-t, Token Ring, RJ11 RJ12 cables
----power supply 9v-battery (not incl)