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The DS938Z and ZX938Z are ceiling-mount, 360º passive infrared intrusion detectors that use Motion Analyzer II to reduce false alarms. The built-in POPIT makes it easier to install, with low current consumption and fewer wires needed.Motion Analyzer II uses multiple thresholds and timing windows to analyze timing, amplitude, duration, and polarity of signals to make an alarm decision, Three PIR sensitivity settings are available.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.