It can be tough to pick the best Speedometer for your vehicle. We have analysed hundreds of reviews, specs, features, promotional materials, and more to help you find the best portable Digital Speedometer for your needs. 

*We upgraded the battery and the solar panel. So now the new Digital Smart Speedometer even lasts more.

• Brand: Cirex
  

• Works With All Vehicles: Unlike other Car HUDs, you do not need to worry about compatibility, Cirex Digital Speedometer works with all vehicles. 
   
• Solar Powered: Cirex Digital Speedometer is equipped with a solar panel, it can charge automatically under sunshine, and can also connect the device to the car power supply with a USB cable.

• Rich Contents: Almost everything you may need to read during driving will be shown by this HUD, including vehicle speed, Clock, voltage, Altitude, km/h & mph, Car's ambient temperature and battery level, low voltage alarm, over speed alarm, fatigue driving alarm. 
   
• Multifunction: Cirex Digital Speedometer has been upgraded with new functions which make it different and more competitive than the traditional HUD in the market. It is based on the GPS module and satellite, it can be used to read car data information. A multi-functional tool to help you know about your car.

• This Digital Speedometer works with GPS, and all data are collected from satellites. Therefore, if you want to test the device you would need to place it in a car/vehicle that is exposed to the satellite's signals (outside of the garage etc.) so it can get a good signal from satellites. Otherwise, the speedometer might not show the data correctly. 

• Compatibility: Compatible with All Vehicles.