RJ45 LAN Cable Tester - Professional Network Tool

• Tests RJ45 and RJ11 network cables to identify wiring issues. • Detects shorts, open wires, crossed pairs, and other common faults. • Essential tool for network technicians and DIYers to ensure cable integrity. • Helps troubleshoot connectivity problems and prevent network downtime. • Compact and portable design for easy use in the field. • Powered by a 9V battery (not included).