1， 4.3-inch high-definition display: image display
2， camera button: short press to take a photo， long press video
3. Set button: Short press to enter the setting page， where you can set the recording settings / photo settings / date label / date and time / language / brightness / light source frequency / auto power off / screen saver / default settings / format / version
4， left button: up button
5， focus wheel: rotate this wheel left and right to adjust to a clear image， a total of 50x and 1000x two clear interface
6， right button: down button
7， OK button: short press to confirm， long press to rotate
8， power button: long press 3s switch machine， short press to enter the file playback mode
9. Zoom in and out the wheel: push up to enlarge the image， and drag down to zoom out.
10， TFT / WiFi switch button: turn up to open the WiFi function， toggle down to turn off the WiFi function
11， LED brightness adjuster: enhance the light upwards， reduce the light downwards
12， charging indicator: red when charging， off when full
13. Micro TF card slot: Up to 64GB Micro TF card (not equipped with this unit)， only supports TF card of Class 10 or higher FAT32 format.
DC/USB: DC 5V power supply and data transmission