Warranty: AZDOME M63 Lite provides 12 months warranty and 24*7 technical supports. Please email us when you facing to any problems with aftersales service. AZDOME R&D team will try our best to feedback within 24 hours working days. 24 Hours Parking Monitor: Front dash cam automatically records important events when detects impact. 24H parking mode allows drivers to have peace of mind after getting out of the vehicle. Please purchase an additional hardwire kit for parking mode (search : B096G6FKZP). G Sensor Loop Recording: AZDOME M63 Lite dashcam will lock emergency video in the event of a collision. Car security camera automatically overwrites old unlocked video when the memory card is full. Both G-sensor and loop recording function prevent important files from being overwritten. Built-in WiFi: User could connect car WiFi driving recorder to 'AZDOME App' on iOS or Android devices. WiFi dash camera could support video playback, download and management. User could share travel landscapes and moment with friends and family. Super Night Vision: Dash camera uses Wide Dynamic Range technology to enhance visibility during nighttime driving. WDR night vision improves recording details in low light conditions. 4K Front Dash Cam for Car: 1. 4K (2880x2160P); 2. 2K (2560x1440P).