Feature:1. Can hunt telephone lines, network lines and test common metal lines through clip lines2. You can hunt the line when the switch and router are powered on.3. You can test the continuity, crossover, and short circuit of the network cable when the switch and router are powered on.4. Can test twisted pair, video cable, telephone line, ordinary metal wire, etc.5. Multi-audio pulse signal transmission format, fast transmission speed.Specification:Condition: 100% Brand NewItem Type: Cable FinderPower Supply: DC9V (Transmitter: AAx2, Receiver: AAx2)Maximum Working Battery: Transmitter 10mA; Receiver 30mATestable Length Range: 1~1000 MetersSignal Transmission Format: Multiple Audio PulsesSignal Output Level: 8Vp-pTestable Port: RJ11 RJ45Testable Wire: Twisted Pair, Video Cable, Telephone Line, Ordinary Metal Wire, etc.Package List:1 x Transmitter1 x Receiver1 x Headphones1 x RJ11 Adapter Cable1 x RJ45 Adapter Cable1 x Clip Adapter Line