‎1 x 9V|Active: 80 Hours, Standby: 3.5 years

Klein Tools VDV526-100 is the essential network LAN cable tester for professionals who need fast, accurate results. Identify and verify up to 6 remotes simultaneously, saving hours of troubleshooting time on complex installations. Designed for Ethernet, coax, and telephone cables, this LAN Explorer delivers reliable performance every time. A must-have tool for any serious network technician. Available on Amazon.