Meterk Network Cable Tester RJ11 RJ45 Wire Tracker Line Finder for Network Cable Collation Telephone Line Test Continuity Checking Adjustable Sensitivity LED Flashlight Low Battery Indication Feature: 【Professional Wire Tracker】Trace RJ11, RJ45, cables or other metal wire (via adapter). Work perfectly when the RJ11 RJ45 cable is on power. It can help you quickly find the target line in many pairs. It equipped with earphone and LED flashlights 【Non-contact AC Voltage Detection Function】Non-contact detection of AC voltage above 48V. When looking for cable lines, it is not necessary to strip the line skin, it is simple and fast, and can determine the position of the line breakpoint 【Network Cable Verifying & Line Function】Plug one side of the cable into the emitter and the other side into the receiver, judge short-circuits, breaking the circuit, open circuit, and crossing. Additional, it can test the line level, positive and negative polarity 【Telephone Line Test】Test the working status of the telephone line(idle, ringing, and off-hook), only the transmitter can be detected, such as judge TIP and RING line 【You Will Get】1 x emitter,1 x receiver,1x pair of earphone ,1 x RJ11 clip adapter cable,1 x RJ45 cable,1 x storage bag,1 x user manual (English + French + German + Italy + Spanish), 1 x 6F22/9V battery for emitter, 1 x 6F22/9V battery for receiver. Specifications: Product Name: Wire Tracker Color: Black Packing List: 22.5*14.5*4.5cm packing Weight: 427g Packing List: 1 * emitter 1 * receiver 1 * pair of earphone 1 * RJ11 clip adapter cable 1 * RJ45 cable 1 * storage bag 1 * 6F22/9V battery for emitter 1 * 6F22/9V battery for receiver 1 * user manual (English)