Function Update:
1. Add freeze and contrast function.
2. Fix the problem that the time cannot be set when taking pictures regularly.
3. Add 2K (2560*1440) resolution video output.
4. Fix the problem that the recording stops after the HDMI cable was pulled out during the video recording of the camera.
5. Fix the problem that the device will not automatically package and save the video and the the last paragraph of recorded file cannot be played after a sudden power failure during recording.
6. Fixed the problem of the ratio display effect of the camera resolution 16:9 and 4:3 options in the screen display.