Ultra HD Real 4K Dual Channel Dash Cam: Adopt top quality 8MP IMX317 Sensor on front camera and IMX 291 sensor on rear camera, this dual dash cam captures super clear view at Ultra HD 4K 3840 * 2160 @30fps + 1920 * 1080P @30fps at the same time. 4K resolution offer amazing video quality, four time higher than a regular Full HD recording. Help you read most details from street signs, license plate etc. Give you peace of mind when you're driving.