The M1031-W also includes an integrated passive infrared sensor for motion detection, a white LED light, and two-way audio support with a built-in microphone and speaker.
M1031-W还包括一个适合移动侦测的集成被动红外传感器，白色LED灯，和支持内置麦克风和扬声器的双向音频。
Other features include pre - and post-alarm image buffering, video motion detection, and two-way audio support.
其他功能包括前后警报图像缓冲，视频动态侦测和双向音频支持。
Other features include pre - and post-alarm image buffering, video motion detection, and two-way audio support.
其他功能包括前后警报图像缓冲，视频动态侦测和双向音频支持。
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