LARGE F2.0 APERTURE: Dash cam uses a 6 blade all glass lens with a large F2.0 aperture, which effectively improves light intake in low light conditions and enables clearer shots of every beautiful scenery. RECORDING: Driving video recorder uses a 4.0 inch IPS high definition screen. Support video and recording function, so you will not miss every important video. INTELLIGENT MOTION DETECTION: Car dash cam supports WDR wide dynamic image processing technology, no matter how bad the recording environment, can still maintain the video up to 1080P HD picture quality. FRONT AND REAR DASH CAM: Front and rear dash cam supports front and rear dual channel video recording, recording 170 degrees in front and 120 degrees in the rear 1080P HD video. WATERPROOF VISUAL LENS: 1080P dash camera adopts waterproof visual lens and supports manual adjustment of lens rotation, which does not block the view and ensures your driving safety.