Real 4K Front and Reariiwey N2 dual dash cam has front 4K resolution and 1080P in rear camera. 2160P resolution can ensure the dash cam to capture all the details on the road. The recorded videos can be watched on 4K large screen, no worry any corner missing. HDR and WDR technology will level up the image quality. No matter android or IOS system, the dash cam can compatible it very well. You can share the videos and image to your friend and family when travel. Also, its really convenient to share the accident evidence to the police. Extreme Weather ResistanceThe N2 dash cam equips with super capacitor, which can work well from -4F to 158F. No worry it will be damaged when exposed to the sun or in the cold winter. Not like the battery powered dash cam, the super capacitor has a much longer life span (10-20 years). Multiple FunctionsThe car camera own the chip NTK96670, which can support much more functions than other 4K dash cam. Loop recording, G-sensor, 170wide angle, 4K+1080P dual videos record and super night vision. Seamless loop recording will be automatically overwrite old files, and no worry the SD card will always full. Also, locked videos help you to keep the most important files in the SD card.