1. Can test 4 kinds of Cable. Simple one-key test2. Test the installed cables or jumpers. The remote component is placed in the host3. Can test USB or RJ11 or RJ45 or BNC Cable4. It has the functions of automatic scanning and testing of network cables, checking the correctness of jumpers, short circuits, short circuits and the sequence of core wires5. Built-in battery device port. Bright and clear LED lights show connection and failure. The buzzer provides audible test results.size:162 x 85 x 25mmMaterial:plasticcolour:whitePackage Contents:1 x Cable TesterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: 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.