Ultra HD Real 4K Dual Channel Dash cam A129 Pro Duo adopt top quality 8MP IMX317 Sensor on front camera and rear camera with IMX 291 sensor, this dual dash cam captures super clear view at Ultra HD 4K 30fps or 2K 60fps for front camera. 4K Dash cam offer amazing video quality, four time higher than a regular FHD. Help you read most details from street signs, license plate etc. Give you peace of mind when you're driving. Upgraded Super Night Vision & WDR8MP IMX317 Sensor combine with upgraded 7-Glass F1.8 aperture lens and WDR technology, provide a much clearer image than most dash cameras at night, maintain sharp image and automatically balance the lighting at over bright and over dark area. A car recorder that can be used with peace of mind from day to night. Advanced Parking ModeA129 Pro Duo will record and lock 15 seconds video before the event and 30 seconds after an impact / motion, This is an excellent feature and completes a true parking mode as there can be a lot