Front Rear Dash Cam G Sensor Parking Mode Loop Recording Front 4K Rear 1080P HD WIFI Driving Recorder with APP Control for Car Item Type: 4K WIFI Dash Cam Processor: for Yizhi 220 DDR: 1GB DDR Flash: 8MB Image Sensor: Front: 04B10 Rear: 505J Front Lens: Aperture: 2.0 Angle: 135 Rear Lens: AHD1080P Angle: 100 Maximum Video Resolution: Front: 3840x2160 Rear: 1920x1080 Maximum Photo Resolution: Front: 16M 4608x3456 Video Encoding Format: H.264 Effective Pixels: 5 million pixels Photo Format: JPEG Collision Sensor: Three axis accelerometer Recording Mode: Seamless Loop Recording Storage: Small Memory Card (Class 10 or above, maximum support 128G) (Memory Card not included) Startup Time: 5S Operating Current: 1000mA (5V) Static Current: Below 100uA Storage Temperature(°C): (-25°C-70°C) Operating Temperature(°C): (-20°C-60°C) Operating Humidity(℃): 15%-60%RH WIFI: Built in 2.4G WiFi module APP: for Viidure USB Interface: TYPE C