Apexeon Head Up Display， 2.2 cm Digital OBDII Speedometer; Displays Speed; Distance; Time

12 Main Functions: This smart digital meter has many functions; including speed; RPM; temperature; battery voltage; fuel consumption; driving time; driving distance; oil temperature; air-fuel ratio; intake pressure; pressure; and data stream. Adopt Imported AI Chip; Intelligent Reminder: Speed color will change at different speeds. It will change to red color once speed is over 120. Simple And Easy To Operate: digital display is easier to read. Short press in button vertically to switch display mode; pull right to choose mode; and long press in to enter setting. Alarm System: Set different parameters for over-limit alarm and audible alarm to improve driving safety. Car Performance Test: Test vehicle's 100km acceleration and driving distance; test results are accurate; and let you know performance status of vehicle.