Collection: Door & Window Alarms
Explore alarms and contact sensors that indicate when doors or windows open. Check mounting requirements, sensor spacing, power sources, and hub compatibility before purchasing.
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Security Door Window Alarm, 90dB Burglar Alarm Sensor for Home & Kid Safety
Regular price $23.98 USDRegular priceSale price $23.98 USD -
WSDCAM Door Alarm Wireless Anti-Theft Remote Control Door and Window Security Alarms
Regular price $23.98 USDRegular priceSale price $23.98 USD -
Wireless Doorbell, Door Alarms for Kids Safety with 4 Sensors & Receiver
Regular price $73.98 USDRegular priceSale price $73.98 USD -
Magnetic Reed Switch Surface Mount Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Systems (4 Sets Brown)
Regular price $31.98 USDRegular priceSale price $31.98 USD -
Door Window Alarm, 90DB Door Alarms for Kids Safety
Regular price $49.98 USDRegular priceSale price $49.98 USD -
Wireless Doorbell, Door Alarms for Kids Safety with Sensors & Receiver
Regular price $33.98 USDRegular priceSale price $33.98 USD -
Door Chime When Door Opens, Door Alarms for Kids Safety/Classroom/Dementia
Regular price $53.98 USDRegular priceSale price $53.98 USD -
Door Chime, Smart WiFi Door Sensor Chime Window Sensor Alarm
Regular price $59.96 USDRegular priceSale price $59.96 USD -
2 Sets Magnetic Reed Switch MC-32 NC Surface Mount Door Window Alarm, with Lead Wire Magneti Door Switch, Magnetic Contact Sensor, for Home Security and Burglar Alarm White
Regular price $13.98 USDRegular priceSale price $13.98 USD -
2 Pack Door Window Alarm, Magnetic Sensor Alert, Home Security System for House and Office
Regular price $13.70 USDRegular priceSale price $13.70 USD -
Door Window Alarm, 90DB Door Alarms for Kids Safety, Door Window Burglar Alarm-Window Pool Alarms for Home (12 Pack)
Regular price $35.98 USDRegular priceSale price $35.98 USD -
Security Door Window Alarm, 90DB Wireless Sensor Door Window Burglar Alarm
Regular price $43.78 USDRegular priceSale price $43.78 USD -
3 Sets Magnetic Reed Switch RC-33 NC Recessed Wired Door Window Alarm, with Lead Wire Magneti Door Switch, Magnetic Contact Sensor, for Home Security and Burglar Alarm Brown
Regular price $6.98 USDRegular priceSale price $6.98 USD -
Door Sensor Chime, Smart WiFi Door Sensor Chime Window Sensor Alarm
Regular price $63.96 USDRegular priceSale price $63.96 USD -
Door Sensor, Smart WiFi Door Sensor Chime Window Sensor Alarm
Regular price $53.96 USDRegular priceSale price $53.96 USD -
Door Window Alarm, 90dB Wireless Sensor Alarm for Kids & Home Security
Regular price $17.60 USDRegular priceSale price $17.60 USD