Wire Tracker Cable Tester Multifunctional Handheld Line Finder Cable Testing Tool for Network Maintenance for Network Cable Collation Continuity ChecFeatures:Works perfectly when RJ11 RJ45 cable is on power.Trace RJ11, RJ45, cables or other metal wire (via adapter).Easy and fast to locate the breakpoint without opening the wire's cover.Network cable collation: judge shortcircuit, breaking circuit, open circuit and crossing.Test line level, positive and negative polarity.Status of telephone line checking: test the working status of telephone line(idle, ringing, and offhook) and judge TIP and RING line.Check wire continuity.Specifications:Color: BlueMaterial: PlasticWork Temperature: 0~40Cthe maximum 80% relative humidity(no coagulation)Storage Temperature: 10~50C, the maximum 80% relative humidity [no coagulation, no battery]Altitude: 2000 metersAntiexplosion Rating: IP40Distance of Sending Signal: 100 metersBattery(NOT Included):Emitter: 1*6F229V Battery;Receiver: 1*6F229V BatteryEmitter Size: 12.6*6.4*3cm4.96*2.52*1.2inReceiver Size: 20.5*4*3cm8.07*1.57*1.2inPackage Size: 22*10.5*3.5cm8.66*4.13*1.4inPackage Weight: 240gPackage List:1xEmitter1xReceiver1xClip Adapter Cable1xRJ45 Cable1xUser Manual (English)