Velleman HAA54 PIR Sensor with Double Twin Optics
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Velleman HAA54 PIR Sensor with Double Twin Optics Overview
Add this passive infrared (PIR) motion sensor wherever you want to know if a person enters. The sensor uses "Double Twin Optics" technology - both optical and heat detectors - for extra resistance to false alarms and heightened sensitivity. Built with sur
Velleman HAA54 PIR Sensor with Double Twin Optics Feature
- Uses optical and heat detection technologies
- Pet-immune for fewer false alarms
- Tamper switch
- Automatic temperature compensation
