Feature: 1. SIMPLE OPERATION: Plug the network cable with the crystal head into the RJ11 or RJ45 interface of the transmitter; Tap the SCAN key on the transmitter to enable the line hunting function. Press and hold the receiver to start line hunting. When you hear a beep tone, indicate that the target cable is found 2. EASY TO JUDGE: Tap the transmitter TEST key to open the line alignment function; Based on the line sequence indicator light on the transmitter and receiver, the characteristics of line access, short circuit, open circuit and cross are determined 3. WITH INDICATOR LIGHT: When the measurement wire is on and off, plug the RJ11 crocodile clamp adapter cable into the RJ11 interface of the transmitter, and clamp the line to be tested with the red and black clips respectively. If the line is on, the transmitter line sequence light 1 indicator flashes. Line sequence 1 indicator light, red crocodile clip is negative, black crocodile clip is positive; Line sequence 3 indicator light, red crocodile clip is positive, black crocodile clip is negative 4. APPLICABLE WIRES: Wire finder is suitable for RJ45 network cable interface, RJ11 telephone line interface, dual core telephone line can be transferred by crocodile clamp cable 5. FLEXIBLE AND PRACTICAL: Cable finder adopt split design, can be integrated into one, easy to operate, both ends of the split can be remote searching or line Specification: Item Type: Wire Finder Material: ABS Adjustable Sensitivity: Within 0-5cm Flashlight: Receiver with illumination Display: LED indicator light Output Signal Level: About 5Vp-p Maximum Working Current: Transmitter: About ≤60mA; Receiver: About ≤80mA Signal Transmission Distance: About 3km Battery: 2 x 6F22 9V(not included). Package List: 1 x Transmitter 1 x Receiver 1 x Crocodile Clip 1 x Ethernet Cable 1 x Carrying Case 1 x User Manual