Check the listing for details. Network Cable Tester LAN RJ45 RJ11 Cat5e Cat6 Ethernet Wire Line Test ToolS Kit. Condition: New. Listed at 11.95 USD. New generic Cable Tester compatible with RJ45 / RJ11 Product FeaturesKeep your network running smoothly by testing your cables to uncover problematic shorts, open wires, crossing pairs and other wiring mishapsUse for testing your homemade Ethernet patch cables to make sure they are in working order prior to connecting to your devicesTests RJ45 cables, RJ11 telephone cables and network cablesEasy to read LED display indicates problemsHand-held for portabilityDetachable master/ remote unit for versatilityConnect cable to both master unit and remote to test cable for problemsRequires one 9V battery (not included) color: send at random Package includes 1X New generic Cable Tester compatible with RJ45 / RJ11 1X manual 1X beautifully wrapped leather