description: F8 OBD computer is a smart and powerful meter. It is especially designed for vehicle without speedometer, engine temperature gauge, oil thermometer, boost gauge and fuel consumption meter. can also monitor and display battery voltage, engine charging voltage, overspeed alarm, engine temperature warning. It can even read the real-time data stream, scan and clear trouble code. Features Warning function: Supports water temperature warning, over-speed alarm, shifting reminding, vehicle malfunction warning for safe and secure driving. Trouble code clearing: Supports code scanning and general code clearing. Installation: 1.Find the car's OBD data interface, the common interface is located under the driver's side dashboard 2.Start the vehicle and keep the engine running 3.Connect the vehicle OBD interface to the meter with the OBD cable 4.The product displays the boot animation, recognizes the protocol, and then the meter starts to display normally 5.Fixed the product and hides the trace and the installation is completed. Note: 1.Please start the engine before installation. 2.Make sure the OBD table is tightly connected to the car interface. 3.If the device does not display properly, please contact customer service, provide the model and year to get the update package (must be upgraded by computer). 4.If the system still fails to work after the upgrade, it means that the models do not match and need to be replaced by other cars. Supported vehicles: For petrol vehicles with standard OBD-II protocol, especially for vehicles without water gauge, speedometer and fuel consumption meter. Specifications: Operating voltage: 10-18V DC Operating current: 80mA Sleep current: 15mA Operating temperature: -20 - 75℃ Dimensions: 60mm X 50mm X 67mm Hardware: CPU based on 32 bit ARM CORTEX-M3 kernel. Maximum operating frequency: 72MHz Supports multiple high speed auto communication protocols