1、It has a complete OBDII mode, supports normal engine error code reading/clearing functions, and supports graphics real‑time data, frame freeze, I/M Ready, O2 monitoring test, etc. 2、Read and erase general‑purpose codes, manufacturer‑specific codes, and pending codes. It allows you to find out why the CEL (check engine light) is on, and turn off the check engine light immediately after proper maintenance. 3、Retrieve the I/M ready status and check emission‑related systems, such as fire fault monitors, fuel system monitors, and O2 sensors to help your vehicle pass the annual fogging test. 4、Applicable to most American vehicles that complied with OBDII standards in 1996 and later (OBDII protocol: for J1859‑41.6, for J1850‑10.4, for ISO9141, for KWP2000 and CAN). Just connect your car scanning tool to the OBD2 port of the car, turn on the ignition switch, and you can analyze and check the engine lights. 5、Just use the transparent main menu, plug and play, no additional batteries or applications. Even if you are not familiar with vehicle maintenance, you can easily control this OBD scanner to get the information you want and show your mechanic, or you can even repair the car yourself. OBDII has complete functions and supports multiple languages. Item Type: OBD2 Scanner Material: ABS Color: Red Processor: ARM ARM: Backlight, 128 x 64 pixel display with contrast adjustment Working Temperature: 0 to 60°C Storage Temperature: -20 to 70°C Power Supply: 8-18V, powered by car battery Size: Approx. 126 x 75 x 25mm/3 x 1 x 5in Functions: Read the fault code. Clear the fault code. View the data flow. View frozen data. Read input and output status data. Restore vehicle information. Applicable to vehicles from 1996 and later (including OBDII&for CAN protocol). Supported Protocols: for J1859-41.6, for J1850-10.4, for ISO9141, for KWP2000 (ISO14230) and for CAN (CAN protocol ISO11898). Support multiple languages. 1 x OBD2 Scanner 1 x Manual