... very practical for home and outside use Features: Network Cable Tester:Cable Tester for RJ-11, RJ-12, RJ-45, CAT5, ... circuitDetachable remote tester, test remote cable up to 1000ft. in lengthAuto scanning function for rapid testingPowered by one 9V battery (not ... included)Comes with a leather carrying caseCompact and light weight, very practical for home and outside use LAN Cable Tester ...