4K+2K+1080P HDR 3 Channels Car Dash Camera with Sony STARVIS 2 Sensors 4K+2K+1080P 3 Channels Dashcam with Sony STARVIS 2 Image Sensors 4K Front with Sony STARVIS 2 IMX678 8MP Sensor 2K Rear with Sony STARVIS 2 IMX675 5MP Sensor 1080P Interior with Sony STARVIS IMX307 2MP Sensor HDR for Front & Rear & Interior Cameras 140° + 160° + 150° Wide Viewing Angle Dual-Band Wi-Fi Built-in 2.4GHz & Ultra Fast 5GHz G-Sensor & Motion Detection Supported Loop Recording & Auto Emergency Lock Smart Voice Control & Notification Easy Installation & Friendly User Interface GPS module & Circular Polarizing Lens (Included) Bluetooth Emergency Remote (Optional, Not Included) Support MicroSD Card up to 512GB (Optional, Not Included)