Feature:* Colorful LED screen highlights non-destructive installation, plug and play.* Built-in hood display, integrated shading design, display clearer without glare.* Abundant data display: driving speed, speed, water tank temperature, battery voltage, driving mileage, automatic switch and switching miles, detect and clear car fault diagnosis codes, no need for professional equipment to eliminate. * Overspeed voltage is too low and water temperature is too high, there will be an audible alarm. * 4 kinds of display modes (standard mode, simple mode , competitive mode, mileage calculation) 16 kinds of display screens can be switched with one key* Start with the car and sleep with the car, which effectively protects the car battery while maintaining the manual, and shutdown is more beneficial for HUD control. Specification:* Condition: 100% new* Ambient noise: = 60dB(A)* Working voltage: 11V ~ 18Vdc (12Vdc/200mA)* Standby current: = 30mA* Display mode: virtual image reflection type* Imaging screen: LED display* Screen size: 3.5 inch * Product Size: Approx. 90 * 53 * 26mm / 3.5 * 2.1 * 1in Package Included: * 1 x HUD Unit * 1 x OBD Cable * 1 x Reflective Film * 1 x User Manual * 1 x Anti-slip Mat Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.