Optex TD-20U Indoor/Outdoor Wireless Infrared Transmitter

Price: $73.78
(as of Feb 18, 2023 01:10:04 UTC – Details)

Uses passive infrared to detect motion and send RF signals to receivers
Weather proof housing (IP54 rating) for both indoor and outdoor use
Selectable 50 ft. Long Range or 17 ft. Fan (Wide) detection pattern