Feature:1. HIGH DEFINITION: It has a 170 degrees front 4K (3840x2160P, 30FPS) camera and a 140 degrees rear FHD 1080P (1920x1080P, 30FPS) camera to reduce blind spots. It is able to clearly catch key details such as road signs, license plates, etc., which provides important evidence for car accidents.2. MOBILE APP CONTROL: Supports for Android or for iOS smartphone APP. You can easily access recorded videos, watch live streams, set up the camera, download and share your footage to social media directly from your smartphone.3. FUNCTION: The gravity sensor will detect sudden collisions and lock the lens in an emergency to ensure that the most important shots are not covered. Loop recording, automatically overwrites the oldest video with the newest when the small memory card is full. 24/7 all day recording, time lapse photography. Record footage at 1fps, 3fps to save memory so you can continuously watch parked cars.4. GOOD PERFORMANCE: This dash cam is powered by a newly designed Type C outlet and supercapacitor, which can better avoid black screen, reboot, high temperature deformation and other problems that may occur during use.5. WIRELESS FIDELITY: Wireless means you can control the app from your smartphone to download video. The dash camera requires a cable to plug into power and the rear camera requires a wire to connect.Specification:Item Type: Dash CameraMaterial: MetalBattery: Lithium Battery 150mah (Built In)Resolution: 4K Front, 1080p RearScreen: 1.47 Inch IPS Screen Viewing Angle: 170 Degree Front Camera, 140 Degree Rear CameraMotion Detection: SupportSmall Memory Card: Up To 128G (Excluded)Wireless Fidelity: SupportGravity Sensor: SupportParking Monitoring: Support.Package List:1 xDash Camera1 x Camera1 x Cigarette Lighter Cable1 x Protective Film1 x Instruction Manual2 x Screw1 x Hook And Loop