Network Cable Tester - Electrician's Networking Cable Tester.Network Cable Tester features include: Twisted-Wire Pair Cables (RJ45, 10Base-T,T568A, T568B, Token Ring) Testing cables shield integrity Low batery indicator Measurement distance of cables: 200m (Max) Power: 1 9V Battery (Included) Order Qty of 1 = 1 Piece Below is more info on our Network Cable Tester