Dashcam Up to 1440P high resolution, with horizontal 102.6°wide angle, diagonal 121.8°. Support built-in MIC and speaker for audio in and out. Built-in WIFI module and WIFI AP function supported. TF card for video recording, up to 256GB. (Overwriting supported) Built-in G-Sensor module, support video recording linkage at car crash or strong vibration. (Linkage video record can be configured be no-overwritten) Phone App: live view, record playback and parameter configuration.