Features: 1.OBD mode. Functions: Speed, RPM, Clock, Water Temperature, Voltage, Fuel Consumption, Driving Distance, Driving Time, Driving Direction, Altitude, Number of Satellites, Oil Temperature, Transmiion Oil Temperature, Turbo Preure, Oil Preure, Fuel Preure, Average Fuel Consumption, Instantaneous Fuel consumption, engine load, acceleration test, brake test. Alarm: Overspeed alarm, speed alarm, water temperature alarm, voltage alarm. 2. GPS mode.Functions: speed, clock, voltage, driving distance, driving time, driving direction, altitude, number of satellites, acceleration test, brake test. Alarm: speeding alarm, fatigue driving reminder 3. Language selection: English, Simplified Chinese, Traditional Chinese 4. During normal driving, the ambient light will automatically adjust the brightne according to the environment. 5. Through the on-board OBD interface, read the data in the on-board computer (ECU) that conforms to the OBD standard, and proce the data to provide the driver with practical data information. Specification: Material: ABS + electronic components Color: Black Power supply: OBD2 interface Size: As picture shown Compatibility: GPS mode is suitable for all models such as sedan/pickup/SUV/truck/hybrid/new energy electric vehicle. OBD2 mode is suitable for OBD2 gasoline vehicles produced in the United States after 2004, and OBD2 gasoline vehicles produced abroad after 2008. Notices: Before ordering modified vehicles and special vehicles, please confirm whether your vehicle supports the OBD2 protocol. There may be slight dimensional deviations due to manual measurements, different measurement methods and tools. Due to different shooting light, angle and monitor, the picture may not reflect the actual color of the item. Package includes: 1 X P13 HUD 1 X Mount 1 X OBD Cable 1 X Anti-Slip Pad 1 X User Manual About Y03 HUD: Functions: GPS and Beidou dual chips, the speedometer is very accurate, and the speed is refreshed quickly without any delay. Innovative design, with sunshine hood itself, good review even under sun. Plug & Play, after connect power supply, it will work directly, no need any other operation. Large font, clearly visible both during the day and at night. Speed unit is KMH (not support MPH). Wide application, it can work on all cars, trucks, buses, E-scooters, E-bikes. The Device is GPS Digital Speedometer, and speed is collected from satellites. So if tested at home or parking lot, perhaps speed can't display correctly. Please test it on the car outside with good signal. Note: it's speed display ONLY, no other function. Specification: Model: Y03 Screen Size: 2.8 Inch Material: ABS+PC Screen Type: LED Applicable models: Universal for most vehicles Color: Black and Green Package Included: 1 x HUD 1 x Micro USB Cable 1 x Anti-Slip Gel Pad 1 x Manual Do drop