Features: brand new and high quality Multi-Function : Car for Smart Digital Multi-Function Alarm Meter supports multiple functions, which includes water temperature warning, speeding alarm, gear shift reminder, and vehicle malfunction warning to ensure safe driving. Easy to Install : Easy connection with the OBDII port and cable. Simple installation without damaging the wire or no need to disassemble it. Over Speed Alarm: Once over speed, it will give a warning alarm. If no need the over speed warning, trun off alarm. High Quality Material: Made of high quality ABS , ecofriendly and stable, firm and durable. Wide Applications: AUTOOL X60 HUD Car for Smart Digital is for both gasoline and 12V vehicles, which adopts the standard OBD-II protocol, especially for vehicles without water temperature gauge, speedometer or fuel consumption meter. Specifications: Material: ABS Color: Black Product Dimension: approx. 7.3X8.2cm/2.87x3.23inches Net Weight: 150g/0.33lbs Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1PC Car Head-up Display