1、Multi‑function display, it can clearly show you information such as driving speed, engine speed, battery voltage and so on. 2、There are multiple alarm settings, such as speed alarm, speed alarm, voltage alarm, refrigerant temperature, etc. 3、Supports full OBD vehicle protocol, it can scan error codes, read codes, clear data streams, greatly reduce maintenance costs. 4、It can support manual adjustment and automatic light sensing, which is more convenient for drivers. 5、Suitable for gasoline and diesel vehicles with standard OBD-II protocol, especially for vehicles without water meter, tachometer and fuel consumption meter. Item Type: Head Up Display Material: ABS + PC Introduction: The multi-function instrument is a smart and powerful automobile instrument. In addition to monitoring driving speed, engine temperature, oil thermometer and boosters gauge and fuel consumption, it can also monitor and display battery voltage, engine charging voltage, overspeed alarm, engine temperature warning, and even real-time read data stream, scan and clear fault codes. Features: 1. Display external temperature, engine speed, intake air temperature, water temperature gauge, voltmeter, LPK, miles per gallon, GSM AVG, stroke, throttle angina, engine load, OD, spark lag, engine performance, intake pressure, fuel pressure, DTC reading/clarity, DTC query, oil temperature gauge, clock, fuel gauge, oil pressure. 2. Alarm function: water temperature drop, overspeed alarm, gear shift reminder, engine temperature alarm; 3. Error code: Scan to clear conventional vehicle error codes, reducing maintenance costs; 4. Fuel consumption meter 5. Battery voltage monitoring and display Specification: Screen Size: 3.2 inches Working Voltage: 10-18V DC Working Current: