All OBD2 functions including Reading Codes, Erase Codes, Viewing Freeze Frame, I/M Readylineness, Vehicle Information, Live Data Streaming and Realtime Curves, these features can help you quickly determine why the check engine light is on. This OBD2 scanner diagnostic tool requires no APP download and installation, no battery, no Bluetooth connection, just plug and play. Not only check engine code reader , but also clear fault codes and fix the check engine light, no need to buy additional tools, money saver There's no paper manual, but rather a QR code on the back of the scanner that takes you to the online manual (one less thing to have to keep track of) Keep this obdII scanner in your glove box, no matter when travelling long distances or working short distances, will no longer to worry about the check engine light coming on, no worries Name: MS309 Pro Auto OBD2 Scanner Model: MS309 Pro Display: 2.4inches Operating Temperature: 0 ~ 60 Centigrade Storage Temperature: - 20 ~ 70 Centigrade Operating Current: 50mA~70mA Operating Voltage: 5V ~ 18V Dimensions: 123 x 62 x 21mm Languages: Chinese.English.Spanish.French.German.Dutch. Applicable Vehicle: Most Cars Can Be Used Color: Orange Material: TPC+Silicone Package Contents: 1 * Automobile fault detector