DetailsHighlightsThe Tester Consists Of A Main Master Unit And A Detachable Remote Unit, Each Of Which Have An Rj11 And An Rj45 JackThe Unit Is Powered With A 9-Volt Battery And Can Be Stored In The Included, Zippered, Synthetic Leather CaseThe Master And Remote Unit Each Have A Series Of 9 Led That Show The Status Of Each Line On The Attached CableThe Tester Supports Both A Fast Automatic And A Slow Automatic ModePackage Contents: 1x Cable Tester Master unit | 1x Cable Tester Remote unit (attached to Master) | 1x Synthetic leather, zippered carrying case"DescriptionThis Monoprice RJ11/RJ45 tester is a simple, yet powerful, tool that helps troubleshoot network and telephone cables for broken wires and crossed connections.The tester consists of a main Master unit and a detachable Remote unit, each of which have an RJ11 and an RJ45 jack. The unit is powered with a 9-volt battery (not included) and can be stored in the included, zippered, synthetic leather case.The Master and Remote unit each have a series of 9 LEDs that show the status of each line on the attached cable. The tester supports both a fast automatic and a slow automatic mode.SpecificationsShipping & ReturnsQ&AWarnings & Disclosures