Descriptions:The RJ45 Network Cable Tester tests Double-Twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and ground - 9 LED Lights to indicate wiring connection on both the remote and master unit. Easily find wrong connections, short circuits and open circuits.Tester requires 1 x 9V (not included).For Cat5, Cat5e and Cat6 cables.Crimper and punch tool also included - easily make your own network cables!Lightweight and durable set.Essential tool for reliably making network cables.Product Informations:Network Cable Tester:-This Network Cable Tester is for of RJ11, RJ12, RJ45, 10/100 Base-T, TIA 568A /568B AT Redx5; Yellowx5; Blackx5; Grayx10) a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a