Does the X1 detect motion through a window?

No. The X1 is intended for indoor uses. It uses PIR (Passive Infrared) to trigger its motion detection so as to reduce irrelevant motion events, as PIR only detects heat sources like people and pets. However, infrared light does not pass through glass, so motion outside of the window will not trigger the X1’s PIR sensor. Therefore, the X1 cannot detect motion through a window.


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