M200B WiFi Intelligent Square Button Video Doorbell, Support Infrared Motion Detection & Adaptive Rate & Two-way Intercom & Remote / PIR Wakeup(White).

1. The main control chip: Huawei HiSili Hi3518EV200.  
2. Lens: Full 3G1P super wide-angle lens.  
3. Perspective: 100 degrees horizontal.  
4. Video stream: 1280x720/30fps, 640x360/30fps.  
5. CMOS performance: support automatic white balance, automatic gain control, automatic backlight compensation, digital wide dynamic.  
6. System: Lite OS.  
7. Standby time: About 5-10 months (10 wakes per day for PIR, 15S each time).  
8. Day and night conversion: Dual filters automatically switch.  
9. Infrared distance: 850nm infrared, effective distance 5m.  
10. Network configuration mode: One button WIFI configuration + sound wave configuration.  
11. Audio coding standards: AAC and G.726.  
12. Frequency input / output: -38dB microphone / built-in 1 speaker.  
13. Recording mode: Manual remote wake-up recording, PIR alarm recording.  
14. WiFi: 2.4GHz.  
15. Network protocol: TCP/IP, HTTP, TCP, UDP, SMTP, DHCP, DNS, P2P.  
16. Passive Human Infrared Detection: Supported.  
17. Adaptive Bit Rate: Supported.  
18. Two-way intercom: Support full-duplex real-time calls.  
19. Sleep time: 30s.  
20. Remote Wakeup: Support.  
21. PIR wake-up: support high-medium-low sensitivity three wake-ups.  
22. Cloud Storage: Optional 7-day loop for permanent free cloud storage.  
23. Mobile client: Ubell, iOS 10.0, Android 5.0 and above.  
24. Operating temperature: -10-50 degrees Celsius.  
25. Operating humidity: Less than or equal to 80% RH.