nonda ZUS Smart Dash Cam with ZUS App, Front Dash Cam HD 1080P Video, Sony IMX323 Sensor, 140° Wide Angle, G-Sensor, Enhanced Night Vision, Loop Recording, Built-in WiFi[Automatic recording] ZUS smart dash cam starts to record automatically when you start you Car. Need to connect to Wi Fi only when you operate in ZUS App to download or view the videos. (Video stops recording when you manually turn on the Wi Fi). [Crystal clear HD video] 1080P video loop recording. Use of advanced Sony IMX323 sensor with war that enhances night vision allowing car license plates to clearly showed up at night. [Sound recording on off]