Features Split Design: Network detector for the host separated design, convenient for long distance detection, can up to 100 meters. Multifunctional Detection: The detector can intelligently detect USB, RJ45 computer network cable, RJ11, RJ12 telephone line through and through. Ergonomic Design: The body is ergonomically designed to better fit the palm of the hand, and it is not easy to slip and fall when using a solid grasp. Rounded Corners: The ABS shell has rounded corners to prevent hand cuts during use or carry, making it safer to use. Easy Operation: You only need to turn on the switch, plug in the Internet cable, and the lights will light up in sequence, indicating that there is no problem with the line connection. Specification: Item Type: Network Cable Tester Material: ABS Model: M726AT Battery: 1 x 9V 6F22 battery (without battery) Package List:1 x Network Cable Tester 1 x Instruction Package List 1 x Network Cable Tester 1 x Instruction