Built-in Wi-FiThe built-in hotspot module of the car dash cam allows you to view, change settings, download and shares footage directly from the app later opening and connecting the APP, and does not need to insert the card into the computer Loop Recording & G sensorThis car camera records footage in a loop, so you never have to worry about deleting old recordings to free up space for new ones. There is a built-in G-sensor that detects sudden crashes and shakes to lock footage and accidental erasure or overwriting. Car Front and car inside high-definition two lensThe front and rear lens high-definition night vision parking monitoring allows you to clearly understand the conditions of the vehicles in front of and behind at any time, and can clearly see them when moving forward and reversing. The camera in the car allows you to understand the conditions in the car at any time and record driving life. Night Vision & Parking MonitoringThis dash camera has great night vision capabilities that capture crisp details and colors, even in low-light environments. It also supports memory card for storing critical driving footage. It also features motion detection and a parking monitor mode to record your cars surroundings at all times. Easy installation and easy usingThis HD lens dash cam,the installation and control are easy, which can help you drive easily in various complicate traffic environments.