Description: Equipped with a GPS speedometer, it can monitor the real-time driving speed through satellites. When the speed is too fast, it will automatically sound an alarm. Not only can it record and display driving time, distance and display MP/h or KM/h, it can also automatically adjust the brightness of the screen through the sensor. It is powered by the car cigarette socket and it is plug and play. Made of high quality ABS and metal material, it is durable. The length of the product is 10.5cm, and the width is 6.05cm, and the thickness is 1.66cm. Compatible with all cars, trucks, bikes, motorcycles. Item Name: GPS Speedometer Material: ABS,Metal Features: Large Screen, Speeding Alarm, Multifunctional Size Details: 10.5cm x 6.05cm x 1.66cm(Approx.) Notes: When using with the bicycle, please use the USB cable connecting with a powerbank. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x GPS Speedometer 1 x Bracket 1 x Bandage 1 x Power Cable 1 x User Manual