This car driving recorder has three cameras in front, rear and inside the car, which can clearly record the driving dynamics and make driving safer. Features: Support front and rear dual channel video recording, and ensure that while recording the front 170 degree 1080P video, it can also record the rear 120 degree 480 video at the same time. Using a 6-piece full glass high transmittance lens with a large aperture of F2.0, effectively improving the light intake in weak light environments, making it easier and clearer for you to record every details. Adopt a full glass wide-angle lens with a viewing angle of 170, and cooperate with a picture abnormality correction system to ensure that the video recording does not deform. Restore the actual scene situation. Support WDR wide dynamic pictures processing technology. Therefore, no matter how harsh the recording environment may be, video quality can still be up to 1080P. When the car collides or shakes, the system will automatically begin the video recording function and automatically lock and save. Specifications: Resolution: 1080P+480P+480P Display: 4in View angle: 170+120+120 Aperture: F2.0 Support memory card: max. 128GB (not included) Battery: 3.7V, 150mAh Host size: 118 * 60 * 40mm / 4.6 * 2.4 * 1.6in Package size: 203 * 110 * 70mm / 8.0 * 4.3 * 2.8in Package weight: 376g / 13.3ounce Packing List: 1 * Host with front Camara and In-Car Camera 1 * Rearview Camera 1 * AUX Cable 1 * Car-use Power Cable 1 * Base 1 * User Manual