About this item 1080P Full HD Night Vision & Sony IMX307The smart dash cam 1S enables you to achieve 1080P Full HD resolution, records every detail on the road for you. Equipped with the Sony IMX307 image processor and F/2.2 aperture, the dash cam is pulled in more light to brighten up low-light scenes, provide you the clear images even in the dim light Built-in G-Sensor & Emergency RecordingEquipped with the built-in G-Sensor, the smart dash cam 1S can automatically record an emergency situation and have the videos saved. All of the emergency videos are safely locked as 'Event File' to prevent an overwrite Voice Control Dash CamTo provide you a safe and hands-free using experience, you may use voice commands to use your cam. This car cam recorder can let you easily control it to take pictures and record video just with your voice Loop Recording & Evidence ProtectionThe dash cam automatically overwrites the oldest videos with the latest ones. The videos can be automatically saved and stored locally on a microSD memory card while driving, which ensures the video evidence will be captured and safely secured from overwriting. It supports high-endurance Class 10 (and above) microSD memory cards from 16GB up to 128GB (not included)