This P.I.R. motion detector is for interior protection. It detects object movement having a human body temperature. The JS-20 distinguishes itself with excellent RF immunity.
The JS-25 COMBO is a two-in-one detector. Combines 2 sensors (P.I.R.& glass break) in one housing with excellent RF immunity. It provides three independent outputs (P.I.R. alarm, glass break alarm and tamper).
The JS-22 wired detector is intended to detect human body movement in buildings. Using two sensors ensures better immunity against triggering by moving pets.
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