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.
-
UltraPro Personal Security Window and Door Alarm, 12 Pack, Wireless Chime
Regular price $90.50 USDRegular priceSale price $90.50 USD -
WiFi Door Sensor Chime, Smart Door Chime Window Sensor Alarm
Regular price $69.96 USDRegular priceSale price $69.96 USD -
Door Window Alarm, 90dB Door Alarms Sensor for Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms for Home, Apartments, Offices, Hotel Rooms (4pack)
Regular price $15.82 USDRegular priceSale price $15.82 USD -
Door Window Alarm, 90dB Door Alarms Sensor for Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms for Home, Apartments, Offices, Hotel Rooms (4pack-Black)
Regular price $15.98 USDRegular priceSale price $15.98 USD -
Door Window Alarm, 90dB Door Alarms Sensor for Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms for Home, Apartments, Offices, Hotel Rooms (2pack)
Regular price $12.40 USDRegular priceSale price $12.40 USD -
WiFi Door Sensor: Smart Door Open/Closed Detectors, Wireless Window Sensor with App Notification Alert, Contact Sensor for Home Security, Compatible with Alexa Google Assistant (1pack)
Regular price $24.68 USDRegular priceSale price $24.68 USD -
WiFi Door Sensor: Smart Door Open/Closed Detectors, Wireless Window Sensor with App Notification Alert, Contact Sensor for Home Security, Compatible with Alexa Google Assistant (4pack)
Regular price $71.98 USDRegular priceSale price $71.98 USD -
WiFi Door Sensor: Smart Door Open/Closed Detectors, Wireless Window Sensor with App Notification Alert, Contact Sensor for Home Security, Compatible with Alexa Google Assistant (2pack)
Regular price $39.98 USDRegular priceSale price $39.98 USD -
GreenCycle Door Sensor Chime, Motion Sensor Door Bells Chimes for Business
Regular price $59.90 USDRegular priceSale price $59.90 USD -
GreenCycle Door Sensor Chime, Motion Detector Alarm, Commercial Door Bells
Regular price $75.50 USDRegular priceSale price $75.50 USD -
Gsm Power Failure Alarm, Remote Sms Alerts, 6-15V Input | Abs Plastic, Sms Alert System, Custom Alerts, Six Phones, Door Sensors, Gas Detectors, Water Sensors, DC6-15V
Regular price $73.60 USDRegular priceSale price $73.60 USD -
GreenCycle Door Buzzer for Business Entry, Motion Sensor Door Alarm
Regular price $67.98 USDRegular priceSale price $67.98 USD -
6 Pack Door & Window Alarms, Wireless Home Security Sensors with Chime
Regular price $49.98 USDRegular priceSale price $49.98 USD -
4 Pack Door & Window Alarms, Wireless Home Security Sensors with Chime
Regular price $39.98 USDRegular priceSale price $39.98 USD -
Smart Door Sensor: WiFi Door and Window Sensor, Wireless Design, Instant Alerts, Door Open Contact Sensor for Home Security & Smart Home Automation, Compatible with Alexa Google Assistant(3pack)
Regular price $57.98 USDRegular priceSale price $57.98 USD -
WiFi Door Sensor: Wireless Window Sensor with App Alerts, Tuya Smart Contact Sensor for Home Security and Smart Home Automation, No Hub Required, Compatible with Alexa Google Assistant(4-Pack)
Regular price $68.38 USDRegular priceSale price $68.38 USD