How to use:1. Download the Car Camera DVR. PRO app from the app store and install it on your device. 2. Register or log in to access the app's features. 3. Mount your phone securely in your car to record high-quality videos of your journeys. 4. Use the app's navigation integration to get real-time directions while recording. 5. Explore advanced features such as loop recording and emergency video saving to ensure you never miss important footage.