4 Channel 360° Dash CamHUPEJOS V50-4CH Mini Dash Cam will provide you with 150°*4 super wide-angle field of view, left and right cameras can be rotated to adjust the angle to ensure 360° all-around protection. Which offering 2 movie modes: 4K front+1080P rear, or 2K front+2560x720P left right+1080P rear resolutions. The left and right lens shots are stitched together into a single frame for easy viewing. The excellent resolution of the dash cam front and rear seamlessly captures every detail Loop Recording & G-Sensor DashcamThe dashcam comes with a 64GB SD card (maximum support 256GB). Every 3min loop recording, the oldest videos will be overwritten when the SD card is full. Built-in sensitivity G-sensor can automatically detects a sudden shake/collision and locks the footage to prevent the video from being overwrote even in loop recording