Network Cable Tester for RJ11RJ12RJ45 Cat 5 Description: Testcorrespondinglydouble-twistedcables 1, 2, 3, 4, 5, 6, 7, 8and Ground Capabletojudgewrongconnection, shortcircuitandopencircuit Cable Testerfor RJ12, RJ11, RJ45, Cat 5e, Cat 5, 10/100 Base-T, ATT258A, TIA-568A/568B.etc Itcaneasilyclarifycable, continuity, openandshort. Verifying Cablecontinuity, open, shortandcrosswirepairupto 1000ftwithremotekit.9LEDlightstoindicatedwiringconnectiononbothremoteandmasterunit Grounding Test Buildinpowerswitchforpowersaving Power:9 Vbattery (Not Included) Package:1 X Network Cable Tester