Free Express Shipping! Optex TD-20U Indoor/Outdoor Sensor Transmitter for Wireless 2000 System Passive Infrared Detection, 9V Alkaline Battery-Powered, Detection Up to 50' Long and 17' Wide, Up to 2000' Transmission Range, Install on Walls, Ceilings,... more
Free Express Shipping! OptexWireless 2000 Driveway/Entry Annunciator & Sensor Kit For Commercial & Residential Use, Transmission Range of up to 2000', Receiver Works with up to 9 Transmitters, IP54-Rated Sensor Transmitter Housing, 17' Wide or 50'... more
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