- The Solar Powered device features an integrated solar panel, enabling automatic charging in sunlight. It can also be connected to your vehicle's power supply via a USB cable, ensuring reliable energy even on cloudy days. - This device displays essential driving information at a glance, including vehicle speed, time, voltage, altitude, km/h and mph, ambient temperature, and car battery status. It alerts you to low voltage, overspeeding, and driver fatigue, making it an invaluable companion for safe driving. - Utilizing GPS and satellite technology, the device accurately reads vehicle data, providing real-time insights for enhanced driving awareness. - Speed calibration is straightforward; if you find speed readings inaccurate, simply press and hold the "SET" button to access the settings page. By pressing "SET" every three seconds, the display area will blink, allowing you to select and adjust the speed value and unit as needed. - Ideal for long road trips, daily commutes, or any driving scenario where monitoring vehicle performance is crucial. This device not only enhances safety but also improves your driving experience by providing key data at your fingertips. - Compact and user-friendly, it fits seamlessly into any vehicle setup, ensuring you stay informed and in control on the road.