Ancel A202 OBDII 2.4 inch Screen HUD Auto Head-Up Display Car-Styling Water Temperature Speedometer Gauge Warning Windshield Security Alarm System Feature: 32-bit ARM CORTEX-M3 processor, the maximum operating frequency of the processor is 72MHz, and it supports a variety of high-speed automotive communication protocols. Specification: Name: OBDII Head-Up Display Brand: Ancel Colour: Black Specifications: OBDII Working voltage: DC 9-18V Working current: 100mA Sleep current: 10mA Working temperature: -20 - 85 Display: 2.4 inches Resolution: 220*180 Product size: 76x58x50mm/2.99x2.28x1.97in Product weight: 200g Cable length: about 1.45m/4.75ft Built-in OBD computer functions: 1. Digital display: display speed, water temperature, instantaneous fuel consumption, fuel consumption per hour 2. Performance test: brake test, vehicle acceleration test 3. OBD2 engine diagnosis function: data flow function display, color setting display, DTC scanning, DTC setting and other functions 4. Early warning function: water temperature warning, overspeed warning, shift warning Advantages of car computer diagnostic tool: 1. OBD plug-and-play, easy to install 2. You can choose between gasoline and diesel vehicles. 3. LCD backlight, auto brightness. 4. Main screen digital color: 8 color options (red, orange, yellow, green, cyan, blue, pink, white) 5. Choice of units: SPD unit: km/h or MPH CWT Unit: or Fuel unit: l/100km or MPG 6. Set sleep time: you can set when the device will turn off after the engine is turned off. 7. Set engine displacement, fuel consumption more accurate. 8. Especially for vehicles without temperature sensor, tachometer and fuel flow meter. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1* HUD 1*Power cord 1*Instruction