This car driving recorder has three cameras in front, rear and inside the car, which can clearly record the driving dynamics and make driving safer. Features: 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. Support memory card up to 128G with class 10 or above (memory card not included). 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. Enable 24-hour parking monitoring. WiFi Connectivity: With built-in WiFi module, you can connect the dash cam to your mobilephone for real-time viewing and video playback. The current video is locked and saved when detects a collision. Whether it's stronglight, weaklight, or cloudy/rainy weather, clearimages can be captured. Specifications: 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: max. 128G (not included) Screen size: 12in Pixels: 18 million Main LensAperture: 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 Packing 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