Note: The OBDII mode is only be available for vehicles produced after 2008. GPS mode is perfect for all vehicle. If your car is not compatible with OBD mode, please use GPS mode. If you are not sure if your car is compatible, please contact us prior to purchase. Dual System, Change free. OBDll mode is not compatible with hybrid electric vehicle, diesel car, pickup truck, RV, computer modified car. Thank you for purchasing our product. This product reads the driving data of the car through the OBD interface of the car ECU, such as vehicle speed, rotation speed,fuel consumption, water temperature and voltage, etc. Instantly read driving information under the condition that drivers' view does not shift during the driving of the car. To keep the drivers' eyes on road always to avoid the dangerous of lowering down head. This product does not rewrite any data in the ECU. Features: Multi-Functions Trip Computer: P22 is a high-quality solution that integrates OBD, GPS, and electronic slope meter. Realize one machine with multiple functions and meet the needs of multiple scenarios. Clear and Intuitive Display: The tachometer's analog display has a pointer that moves to indicate RPM, so you can visually identify the engine RPM value. With multiple display screens, you can switch to your preferred screen at will. 12 languages: P22 has 12 languages and is currently the most language product on the market. Split bracket, the bracket can be rotated in 360 all directions. It can be hung on the A-pillar or placed in the center console. Fault Code Clearing: Read the whole vehicle ECU data, in-depth inspection and diagnosis. It can diagnose and clear your car's fault code. Digital Slope Meter: Real-time monitoring of left and right, downhill, and uphill side inclination angles, providing information on car attitude changes for outdoor off-road and extreme crossings, and ensuring driving safety. Larger font, clearer and smoother screen. OBD Mode: Display speed, water temperature, voltage, fuel consumption, RPM, clock, driving time, driving distance, intake pressure, oil temperature, air-fuel ratio, turbine pressure, altitude, driving direction, throttle, intake temperature, gearboxing temperature, engine load, up and down slope angle, left and right tilt, acceleration test, brake test. Alarm: Overspeed alarm, RPM alarm, water temperature alarm, voltage alarm, tilt alarm. GPS Mode: Display speed, voltage, satellite numbers, altitude, driving direction, driving time, up and down slope angle, left and right tilt, acceleration test, brake test. Alarm: Overspeed alarm, low voltage alarm, tilt alarm. Specifications: Model: P22 Color: Black Material: ABS + PC Screen type: LCD Screen size: 3.5 inch Working voltage: 11V-18Vdc Support language: English, simple Chinese, Traditional Chinese, Japanese, Korean, Thai, Russian, Arabic, Malay, Spanish, German, French Prodcut size: 10.1 x 6.9cm Package size: 13.3 x 11 x 9cm Package weight: 250g Packing List: 1 * P22 Host 1 * Rotating Suction Cup Holder 1 * English User Manual 1 * OBD Cable 1 * Non-slip Mat