视频丢失报警，视频移动报警，外部报警。

Video Loss Alarm, Video Motion Alarm, External Alarm.

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支持报警功能，网络中断报警，视频丢失报警。

Support alarm function, net interruption alarm, video loss alarm.

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定时录像，自动循环录像，断电后来电自动恢复功能，视频丢失报警功能。

Timing record, auto circulate record. , and auto resume after breaking off electronic. Give an alarm when video frequency losing.

youdao