Features Powerful Function: It has powerful functions such as telephone line hunting, network line hunting, and power cable hunting functions. Find Wires Quickly And Accurate: Line finder detecting wires in a range of application fast exploration and accurate testing. Can help you quickly detect. User Friendly Design: This device is composed of a transmitter and a receiver. It has a smooth appearance and a good feel, which is convenient for you to hold and use. Good Repairing Tool: Network cable tester is an irreplaceable practical tool for maintenance engineers and technicians. Widely Use: It is widely used for the installation of weak current systems such as communication lines and integrated wiring lines. Specification: Item Type: Line Finder Material: ABS Model: NF-806R Transmitter Battery: 6F22 1 x 9V (not included) Receiver Battery: 6F22 1 x 9V (not included) Purpose: Line detectionProduct nameMulti purpose communication network line checker DCMaximum working currentTransmitter≤10mAReceiver≤30mASignal transmission formatMulti frequency pulseSignal output level8Vp-pSignal transmission distance≤2kmTelephone line hunting√Network line hunting√Power cable line hunting√Network line proofreading√Open circuit or short circuit test√DC level test√Low voltage function prompt√Headphone function√Lighting function√Volume adjustable function√TargetTelecom BureauInternet cafeTelecom Engineering CompanyNetwork Engineering CompanyPower Engineering CompanyTroopsVarious departments that need metal wiring Package List: 1 x Transmitter (Battery Not Included) 1 x Receiver (Battery Not Included) 1 x Headphone 1 x Adapter 1 x Storage Bag 1 x Manual  Note:Do not expose this product to direct sunlight for a long time. Package List 1 x Transmitter (Battery Not Included) 1 x Receiver (Battery Not Included) 1 x Headphone 1 x Adapter 1 x Storage Bag 1 x Manual