Usage Tips:For 4, 6, 8 poles modular connector. Suited for network cable with RJ45 Connector and ADSL Cable with RJ11 Connector. The mouth of the press-pliers is made of magnetic steel, which is hard and practical.Features:Portable style with perfect shape.It won&39;t damage the shelled-wire and works with high efficiency.The mouth of the press-pliers is made of magnetic steel, which is hard and practical.While using press-pliers, just insert the crystal into its position and press it.For 4, 6, 8 poles modular connector.Suited for network cable with RJ45 Connector and ADSL Cable with RJ11 Connector.This Cable Tester is for test of RJ11, RJ12, RJ45, 10/100 Base-T, TIA 568A /568B AT&T 258A, BNC, Cat 5, etc.This device can be separated into two units: Main unit and remote unit.The Remote Unit allows you to test cables installed far away either on patch panel or wall plate with the Auto-Test.Mode and 9 LED indicators for testing each pin.Compact and Light Weight.Specifications:Material: steelBattery: 1 * 9V 300mAh battery(included)Size: 210 * 100 * 30mm / 8.3 * 3.9 * 1.2inWeight: 550g / 1.21lbPackage size: 300 * 150 * 50mm / 11.8 * 5.9 * 2.0inPackage weight: 628g / 1.38lbPackage List:1 * RJ45 Crimping Tool1 * Stripper Cutting Tool10 * Blue RJ45 Connector Boots1 * Cable1 * Cable Tester49 * 8P8C RJ45 Modular Plug