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Dual Technology | 双鉴技术

Consisting of both a Passive Infrared Receiver (PIR) and microwave sensor in one housing, both sensors need to be activated simultaneously to get an alarm condition.

Related: Microwave, PIR.

 

在外壳内包含一个被动红外接收器（PIR）和微波传感器，两个传感器需要被同时激活才能触发报警。

 

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