Material: Plastic Size: 97*27*103mm Color: As picture show 100% Brand New and High Quality Type: Network Cable Tester Description: Function: Cable tester automatically tests the continuity, open, short circuit of twisted pair data lines (RJ45/RJ11/RJ12) connections; Visible LED status display. (DC9V battery/charger not included) LED Light: The LED lights flash in rotation if all wires are properly connected, otherwise the corresponding lamp will not flash. The color of the LED light means nothing. Cable Type: RJ11 RJ12 Telephone Cable and RJ45 LAN Cable. Cable Condition Testing (2-wire): Line-DC detection, and both anode and cathode determination, Ring tone detecting open, short circuit and cross-circuit testing. Worry-Free Customer Service: We have a professional team and considerate after-sales service. If you have any questions, you can contact us, and we will get back to you as soon as possible. Package Included: 1 Set Network Cable Tester Note: 1. There is 2-3% difference according to manual measurement. Please check the size carefully before you buy the item. 2. Please note that a slight color difference should be acceptable due to the light and screen.