13 Feet Folding & Extended Telescopic ladder

Cable Tester WZ-468L * Cable connector type = RJ45 RJ11 RJ12 * Battery = 9V laminated * Current supply = 25MA * Size = 10.5*10.5*2.6mm

A cable tester is an electronic device used to verify the electrical connections in a signal cable or other wired assembly. Basic cable testers are continuity testers that verify the existence of a conductive path between ends of the cable, and verify the correct wiring of connectors on the cable.

Applicable scope: Phone network line engineering; computer network engineering; other metal wire line engineering.