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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Door Chime When Door Opens, Wireless Door Chime for Home & Business
Regular price $77.96 USDRegular priceSale price $77.96 USD -
Sensor Riser for Ring | Alarm Contact Sensor Riser 2nd Gen | Alarm Spacer with 3M Adhesive - Sensor/Magnet Not Included (3/4 inch)
Regular price $19.98 USDRegular priceSale price $19.98 USD -
5 Sets RC-33 Nomally Closed Recessed Security Window Door Contact Sensor Alarm Magnetic Reed Switch
Regular price $17.98 USDRegular priceSale price $17.98 USD -
Door Chime When Door Opens, Wireless Door Chime for Home & Business, Black
Regular price $77.98 USDRegular priceSale price $77.98 USD -
Recessed Wired Door Contact Sensor, NO, ABS White, RC-36
Regular price $15.58 USDRegular priceSale price $15.58 USD -
Door Chime, Door Opened Alarm for Business & Home Safety
Regular price $73.96 USDRegular priceSale price $73.96 USD -
Door Chime, Door Opened Alarm for Business & Home Safety, Black
Regular price $73.98 USDRegular priceSale price $73.98 USD -
Door Chime, Satisure Wireless Door Opened Alarm for Home & Business, Black
Regular price $59.98 USDRegular priceSale price $59.98 USD -
12 Pack Adhesive Replacement Tape for Ring Alarm Contact Sensors 2nd Gen, Pre-Cut Double-Sided Tape for Door, Window, Wall Alarm Sensors, Easy Installation
Regular price $13.98 USDRegular priceSale price $13.98 USD -
10 Sets Pack of Wired Surface Mounted Alarm Magnetic Contacts Door Window Reed Switch Sensor with Double Side Tape
Regular price $31.98 USDRegular priceSale price $31.98 USD -
Wireless Door Chime, Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 2 Plug-in Receiver (Black)
Regular price $59.98 USDRegular priceSale price $59.98 USD -
Door Chime When Door Opens, Doorbell Alarm for Home, Office, Store
Regular price $65.96 USDRegular priceSale price $65.96 USD -
Door Chime, METAK Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 2 Transmitter + 1 Plug-in Receiver
Regular price $55.98 USDRegular priceSale price $55.98 USD -
Door Chime, Satisure Wireless Door Opened Alarm for Home & Business
Regular price $53.96 USDRegular priceSale price $53.96 USD -
MC-32 NC Surface Mount Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White - (6 Sets)
Regular price $19.98 USDRegular priceSale price $19.98 USD -
Door Chime, METAK Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 1 Plug-in Receiver
Regular price $31.98 USDRegular priceSale price $31.98 USD