Features:  1. 2 in 1：The cable lan tester is widely compatible with RJ45 computer net wire and RJ11 phone wire, providing intelligent testing service. Depart shape.  2. The main machine and the vice machine can be easily departed for convenience of long distance testing., 3. Durable: The cable lan tester adopt high quality PC material, tough, wear resistant and durable, owning long using life spa Portable. The cable lan tester is compact and lightweight, convenient to carry out, not occupying much space.  8 indicator lights.  The cable lan tester is designed with 18 indicator light. When the lights flashing in the two list of lights flashing at the same frequency, everything is ok. Scope of application. The cable lan tester with RJ45 and RJ11 interfaces is designed for net wire and phone wire testing, widely suitable for repairing and DIY at home.    Description:  Product Name: Network telephone tester;  Power supply :9V battery;  Jack: RJ11 / RJ45;  Material :PC material;  Color: yellow/white/black/blue/red;  Weight :101G(gross weight)/136G(gross weight + battery)