M200B WiFi Smart Square Button Video Doorbell

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M200B WiFi Intelligent Square Button Video Doorbell, Support Infrared Motion Detection &amp Adaptive Rate &amp Two-way Intercom &amp Remote PIR Wakeup(White) Specification: 1. The main control chip: Huawei HiSili Hi3518EV200. 2. Lens: Full 3G1P super wide-angle lens. 3. Perspective: 100 degrees horizontal. 4. Video stream: 1280x72030fps, 640x36030fps. 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: TCPIP, 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. Returns, Refunds and Replacements Delivery Timeframe Delivery is approximately 5-10 business days (excluding weekends and public holidays).