4Kand1080P Dual Dash CamThe dash camera for cars equipped with UHD 4K Front Camera and FHD 1080P Rear Camera, which can accurately capture the frame such as license plates, road signs and pedestrian. The front cam has wide angle of 170 and the rear cam has 150, which can widely recording the all-round road conditions, reducing driving accidents. Built-in Smart Wi-Fi and GPSThe dashcams for cars can connect with your phone via connecting WiFi.You can the view and download the recorded video on the "Roadcam" app(download the app on GooglePlay or APP Store) And the built-in GPS make you can directly check the route, speed and date,instead of purchasing an additional GPS cable bracket. (If you do not know how to use the App, please contact customer service for assistance.) Super Night Vision and WRDThe car camera adopt Sony Starvis sensor,f/1.8 aperture and 6 layers lens combined with advanced WDR and HDR technology, can automatically corrects the light in too bright or too dark environments to present a stunning video picture.(Because of the hot weather, 3M adhesive may melt, please contact customer service to get a new replacement.) 24 Hours Parking Surveillance There are 2 modes to choose when the dashcams is under the 24 Hours Parking Surveillance.1.G-Sensor Trigger:G-Sensor will automatically record videos and lock them to avoid being overwritten when the dash cam detect a collision.2.Time-lapse recording: The recorder will always record in a draw frame, but will not automatically save the video when the SD card is full. Responsive Customer Service always strives for customer satisfaction and recognition, if you have any questions please feel free to contact us, we will reply within 24h-72h and provide solutions for you.