Feature: 1. When in auto reverse mode, it will switch to the rearimage with parking line for the back up reference, to make sure your back up safer and smooth. 2. Support memory card up to 128G with class 10 or above (memory card not included). 3. 3 display mode: 3 cams display as 1:1:1 in the full screen, 2 cams display as 1:1 in the full screen, front/rear/inside cam display in the full screen. 4. Enable 24-hour parking monitoring. 5. WiFi Connectivity: With built-in WiFi module, you can connect the dash cam to your mobilephone for real-time viewing and video playback. 6. The current video is locked and saved when detects a collision. 7. Whether it\u0027s stronglight, weaklight, or cloudy/rainy weather, clearimages can be captured. Specification: Front cam: 2560*1440 resolution, 170° wide angle Inside cam: 1920*1080 resolution, 150° wide angle Rear cam: 1920*1080 resolution, 150° wide angle Memory card: maximum 128G (not included) Screen size: 12in Pixels: 18 million, night vision: infrared fill light in the car lens Main Lens Aperture: F2.2 Battery: 3.7V, 600mAh Item size: 300 * 70 * 18mm / 11.8 * 2.8 * 0.7in Package size: 355 * 135 * 70mm / 14.0 * 5.3 * 2.8in Package weight: 1080g / 2.4lb . Package List: 1 * Host with Front Camara and In-Car Camera 1 * Rearview Camera 1 * Car-use Power Cable 1 * User Manual 1 * Installation Tools Set