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Tools & Home Improvement > Building Supplies > Building Materials > Doors > Garage Doors, Openers & Parts > Hardware > Sensors

Smart Door Sensor Alarm Wireless, WiFi Door Window Detector with 4 Batteries, Smart Linkage Window Door Contact Sensor for Home Security Compatible with Alexa/Google Assistant, No Hub Required, 2 Pack
$ 149
Smart Door Sensor Alarm Wireless, WiFi Door Window Detector with 4 Batteries, Smart Linkage Window Door Contact Sensor for Home Security Compatible with Alexa/Google Assistant, No Hub Required, 2 Pack

Leviton OSC05-U0W Ceiling Mount Occupancy Sensor, Ultrasonic, 180 Degree, 500 sq. ft. Coverage, Self-Adjusting, White
$ 357
Leviton OSC05-U0W Ceiling Mount Occupancy Sensor, Ultrasonic, 180 Degree, 500 sq. ft. Coverage, Self-Adjusting, White

BNYZWOT Recessed Door Contacts NC Security Alarm Window Sensors With Magnetic Reed Switch. 3⁄4 Inch Door Contact Position Switches DCS Work with All Access Control and Burglar Alarm Systems White 5pcs
$ 74
BNYZWOT Recessed Door Contacts NC Security Alarm Window Sensors With Magnetic Reed Switch. 3⁄4 Inch Door Contact Position Switches DCS Work with All Access Control and Burglar Alarm Systems White 5pcs

Brown RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch (20)
$ 139
Brown RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch (20)

Jinvoo WiFi Door Sensor, Smart Window Door Sensor Alarm, Contact Sensor for Home Security, Wireless Magnetic Door Open Detector and Remote Notification Compatible with Alexa and Google Assistant
$ 76
Jinvoo WiFi Door Sensor, Smart Window Door Sensor Alarm, Contact Sensor for Home Security, Wireless Magnetic Door Open Detector and Remote Notification Compatible with Alexa and Google Assistant

Gufastore 10pcs Surface Mount Alarm 10W 100V 0.5A in Max Magnetic Contact Ideal for Door Window Security
$ 84
Gufastore 10pcs Surface Mount Alarm 10W 100V 0.5A in Max Magnetic Contact Ideal for Door Window Security

Dairzitv Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch. 3⁄4 Inch Door Contact Position Switches DCS Work with All Access Control and Burglar Alarm Systems White 5 pcs
$ 74
Dairzitv Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch. 3⁄4 Inch Door Contact Position Switches DCS Work with All Access Control and Burglar Alarm Systems White 5 pcs

Leviton OSC20-U0W Ceiling Mount Occupancy Sensor, Ultrasonic, 360 Degree, 2000 sq. ft. Coverage, Self-Adjusting, White
$ 396
Leviton OSC20-U0W Ceiling Mount Occupancy Sensor, Ultrasonic, 360 Degree, 2000 sq. ft. Coverage, Self-Adjusting, White

41A5034 Safety Sensor kit Fits Liftmaster Chamberlain Garage Door Opener G801CB-P Replacement Parts
$ 76
41A5034 Safety Sensor kit Fits Liftmaster Chamberlain Garage Door Opener G801CB-P Replacement Parts

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