1. Image effective range: >0.3m
2. Image optimum range: 1.5m~3m
3. Visual angle: 50 degree
4. Focusing mode: Manual focus
5. Encoding format: MJPEG/YUY2
6. Video resolution: 1920*1080/1280*720/ 640*480/ 320*240
7. Frame rate: 20~30 fps
8. Signal-to-noise ratio: >=39dB
9. White balance: Auto
10. Exposure control: Auto
11. Microphone: Built-in microphone
12. Distance: Picking distance is 4 meters
13. Signal-to-noise ratio: >=65dB
14. Audio coding: PCM
15. Interface: USB
16. Voltage: 5V