Features 【Ideal for Telecom & Network Engineers】: This cable tracer is for telecommunication engineers, wiring engineers, and network maintenance engineers, providing cable detection and testing solutions. 【RJ45 & RJ11 Cable Detection】: Designed to hunt for RJ45 network cables and RJ11 telephone wires, this FY868 network cable detector ensures accurate identification and troubleshooting of physical connections. 【Cable Sorting for Fault Detection】: Detect open circuits, short circuits, wrong circuits, and reversed circuits with ease, making it an essential tool for cable sorting and maintenance. 【Emitter for Line Level Detection】: Use the emitter to detect line levels and identify positive and negative electrodes, ensuring precise and efficient circuit testing. 【Two-Way Circuit State Detection】: This cable tester offers two ways to detect connected states of circuits, providing versatility and reliability for both professionals and users. 1. Can be used for: telecommunication engineer, wiring engineer and network maintenance engineer, etc. 2. Suitable for directly hunting for cables with RJ45 connectors, telephone wires with RJ11 connectors. 3. Cable sorting is a process of detecting physical connections in a cable like open circuit, short circuit, wrong circuit and reversed circuit. 4. Use the emitter to detect line level or positive and negative electrode. 5. Two ways to detect connected states of circuits. Specification: Features: Can be used for: telecommunication engineer, wiring engineer and network maintenance engineer, etc. Suitable for directly hunting for cables with RJ45 connectors, telephone wires with RJ11 connectors. Cable sorting is a process of detecting physical connections in a cable like open circuit, short circuit, wrong circuit and reversed circuit. Use the emitter to detect line level or positive and negative electrode. Two ways to detect connected states of circuits. Specifications: Work Temperature:0~40℃,the maximum 80% relatively humidity (no coagulation) Storage Temperature:-10~50℃, the maximum 80% relatively humidity (no coagulation,no battery) Elevation: ＜2000 meters Type of Anti-explosion: IP 40 Distance of Sending : ＞3000 meters Battery: 3x1.5V/AAA (Emitter), 1x6F22/9V (Receiver)(Battery not included) Item Color: Green RJ45 Cable Length:16.8cm/6.6in Weight: Approx.360g/12.7oz Package list: 1 * Emitter (Battery is not included.) 1 * Receiver (Battery is not included.) 1 * crocodile clip test line 1 * user manual 1 * RJ45 cable (random color) 1 * cloth pouch 1 * Earphone Package List