Description: With the switch-free design, this network tester can automatically power on when the network cable is plugged in, and automatically power off when the network cable is unplugged, thus reducing power consumption and having a longer service life. With this network tester, it can quickly scan and test the normal, short-circuit and out-of-order conditions of network cables. It adopts detachable split structure, which is convenient for long-distance testing. It is constructed of abs material. This product has a length of 9.5 cm, a width of 9 cm and a thickness of 1.8 cm. It is suitable for industry, workshop, home and so on. Item Name: Network Cable Tester Material: ABS Features: Test Network, Anti-interference, Accurate Power Supply: 1 x 9V Battery (Included) Size Details: Size: 9.5cm x 9cm x 1.8cm/3.74" x 3.54" x 0.71" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Network Cable Tester