� The base unit of the cable tester can be connected via a network cable directly to a hub or switch to test wire connections, or to a network card to test the send receive pairs of wires, it can test if there is any open or miss-wire without the remote kit. � 9 LEDs to show you exactly which wire is open or miss-wire on both remote and master unit. Old version has 4 LEDs. � MASTER and REMOTE unit are both INCLUDED! � Automatic scan mode, rapidly testing. � Power switch is not a push buttom, will not easily turn on and waste battery. Included all the traditional features: � Test the correct pin configuration of 10/100 Base-T 10Basc-2 Thin Ethernet cable, RJ11, RJ12, RJ45 modular cables AT & T 258A, TIA-568A/568B, Cat 5 etc � Easy to verify cable continuity, open, short and miss-wire With remote kit, it can remotely test cable up to 1000 ft in length either on wall plate or patch panel � Can test the grounding � Auto scan with 2 speeds for pin-out indicators � A power switch is provided for saving battery power � Deluxe vinyl carrying pouch included � 9 volt battery for power NOT INCLUDED!