Multifunctional tester for telecom lines and cables Purpose and benefits: A compact, allinone tool for locating telephone lines, tracing line paths, identifying power cables, verifying cable integrity, and testing for open or short circuits. Helps technicians quickly determine wiring status and avoid accidental damage during installation or . Compatibility and adjustable operation: Supports RJ45 and RJ11 connectors with a standard interface. Features two adjustable speeds (fast and slow) to fit different testing tasks and cable conditions. Polarity and level verification: Detects positive and negative electrodes and provides level testing to confirm correct wiring orientation and alignment. Illumination for lowlight environments: Builtin flashlight ensures you can work accurately in dark or dim spaces such as behind furniture, in cabinets, or under desks. Use scenarios Network installation and maintenance: Trace RJ45/RJ11 lines, locate correct cable routes, verify connectivity, and detect potential open or short circuits before finalizing connections. Electrical and cable troubleshooting: Identify power cable paths, confirm proper line routing, and check polarity to prevent miswirings during repairs or upgrades. Field service in challenging environments: Work effectively in cramped or poorly lit areas thanks to the integrated flashlight, ensuring accurate testing and wiring verification. Key attributes at a glance Function: Multichannel testing for telecom lines, power cables, continuity, and polarity with level checking. Compatibility: RJ45 and RJ11 support with a versatile interface. Modes: Fast and slow speed settings for adaptable testing conditions. Performance: Polarity detection, level verification, and reliable line finding in a handheld unit. Convenience: Builtin flashlight enables operation in lowlight environments.