2 Camera Car DVR Dash Cam 4K Front and Rear Dash Cam for Car Camera WiFi Dashcam Video Recorder Rear View Camera for Vehicle Black Box Reverse image 24H Parking Monitoring Dual-channel recording front and rear Dual-channel recording is poible, providing all-around protection,The rear camera can be used as a reversing image to make you safer when reversing.In dual-channel mode, the front camera 2160P rear camera records in full HD 1080P. Powerful night vision shooting 2 Camera Car DVR Dash Cam , the lens night fill light, F2.0 super large aperture offer a perfect night image, so that the night shooting more clearly Reverse image driving recorder, equipped with Reverse image. During the installation, the red cable of the rear camera has been correctly connected to the positive electrode of the car pour. When hanging in the "R" gear, the screen will automatically switch Reverse image, and the accurate inverted auxiliary line provides you with better parking prediction. How to link wifi To turn on the wifi key position (the third key position) for a few seconds, the WiFi name will appear, and finally find the corresponding WIFI name link on the mobile phone. Built-in 2.4GHz Wi-Fi provides a more stable connection by using both the built-in Wi-Fi to connect with your phone. Once the connection has been succefully set up, you can easily view, acce, and download footage without using cell data and manage settings such as Recording Duration , G-Sensor Sensitivity, Auto OFF after Car Shuts Off , etc. 8-Megapixel Sony Sensor Adopting Sony's intelligent optimization algorithm for sharp color proceing to reproduce the rich details of the picture. Upgraded 24H Parking Monitoring 2 Camera Car DVR Dash Cam built-in G-sensor activates automatic recording when a sudden shake or collision is detected. When emergency video is recorded, a voice will alert you when you return to the car. In addition,supports time-lapse recording, which maximizes storage usage and ensures that no moments of evidence are mied. (Friendly reminder: parking monitoring needs to be configured with a special buck cable for use, otherwise 24-hour monitoring is not poible) Built-in G-sensor The built-in G-sensor Dash Cam activates upon impact and records videos of up to 1 minute. The 3-axis Impact G-sensor data ensures precise emergency recording of when and where the impact occurred and dockets the file to aid a further investigation. Time-Lapse Video Time-Lapse Video allows you to capture specific images per second at a much lower rate. So when you combine and play those images at the normal rate, everything seems to be moving faster in time-lapse. Installation diagram Product detail picture About Feedback If any questions, please