Advertise Here view pricing INSTEON Hidden Door Sensor Share this post: View Details $34.99 INSTEON Hidden Door Sensor Similar products Visonic DISC-MCW Wireless 360° Miniature Ceiling Mount PIR Motion Detector View $77.12 Intermatic K4141C 3000W Stem Mount Thermal Type Photo Control View $21.08 Nest Detect View $49.0 Wireless Motion Sensor View $22.03 Elk ELK-6021 Two-Way Wireless Mini Window Sensor View $50.07