Greenlee NC-500 NETcat Pro Lan Cable Troubleshooter Performs tests on UTP and STP Wiring and coax cabling Find active devices (PC or Hub) on 10/100 base-T Networks Verifies network cabling and service with one touch testing Shorts, opens, reversed, crossed and split pairs all easily detected TDR length measurement between zero and 2000 feet Backlit touchscreen display Built-in tone generator with four distinct tones Network device capabilities displayed Wiremapping for patch cables and remote jacks Remote ID units for office identification Single 9V operation with low battery indication Compatible with Greenlee precision digital probes. ASKING $300.00 NEW THEY ARE OVER $400.00 IF INTERESTED CALL OR TEXT ROY AT 385-259-9933