1. Image effective range: >0.3
2. Image optimum range:1.5m~3m
3. Visual angle: 90 degree
4. Focusing mode: Autofocus
5. Encoding format: MJPEG/YUY2
6. Video resolution: 1920X1080/ 1280X720 640X480/ 320X240
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