1. Display type: 5.0-inch high-definition LCD display. 2. Magnification: 4 times to 32 times, infinitely magnified. 3. Pixel size: VGA. 4. The brightness of the LCD screen is adjustable from 1 to 5 levels. 5. Lens focal length: 3.5cm~6cm. 6. 17 color modes to meet the needs of different groups of people. 7. Video output interface (AV OUT). 8. With mini USB cable (interface 2.0). 9. The buzzer sound can be turned off and on. 10. Folding handle (open or closed can be used). 11. The machine has its own memory function, which can remember the user's usage habits before shutdown. 12. TF card can be inserted (maximum support 32GB), which can take pictures and playback. 13. Battery-powered continuous working time: more than 4 hours, charging time 5-6 hours. 14. Battery: external lithium battery 2500mAH (removable).