Features: The single head digital tracers with RJ45 connector testing ensures precise fault detection in complex networks cabling, enabling electricians to quickly identify and resolve connectivity issues. Featuring an digital display and plastic housing, this line tester not requires technical expertise for operate while maintaining resiliences against daily wear and tear. Ideal for professional electricians, novice technicians, and enthusiasts seeking efficient networks troubleshooting solution across residential or commercial environments. Fit multiple RJ45 connector standards, it excellent in office server rooms, construction site, and home networks installations where accurate cable verification is critical. Engineered with built in short circuit protections, this device prioritizes user safety while meeting rigorous electrical safety standards for industrial and domestic applications. Specifications: Component: Plastic Size: about. 216x48x25mm/8.5x1.9x0.98in Package Includes: 1 Set Cable Trackers note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.