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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WiFi Door Sensor Window Detector: Smart Magnetic Door Open Detector with App Alerts, Wireless Home Security Contact Sensor, Tuya App Remote Control, Compatible with Alexa Google Assistant (2-Pack)
Regular price $47.96 USDRegular priceSale price $47.96 USD -
Smart WiFi Door Sensor: Wireless Window Sensor with App Notification Alert, Tuya Door Open Contact Sensor for Home Security, No Hub Required, Compatible with Alexa Google Assistant
Regular price $25.98 USDRegular priceSale price $25.98 USD -
Refrigerator Door Alarm with 60 Second Delay, 2, 3, and 4 Minute Reminders, Freezer Door Chime, Low/Loud 80 to 110 dB – Compact Size. (Black)
Regular price $39.66 USDRegular priceSale price $39.66 USD -
Freezer Door Alarm When Left Open with 0-4Mins Delay, Silver 2PCS
Regular price $58.88 USDRegular priceSale price $58.88 USD -
Freezer Door Alarm with 60 Second Delay, 2, 3, and 4 Minute Reminders, Refrigerator and Fridge Door Alarm or Chime, Low/Loud 80 to 110 dB – Compact Size. (White)
Regular price $35.82 USDRegular priceSale price $35.82 USD -
Freezer Door Alarm When Left Open with 0-4Mins Delay, Silver 1PC
Regular price $34.18 USDRegular priceSale price $34.18 USD -
Fridge Door Alarm with 60 Second Delay, 2, 3, and 4 Minute Reminders, Loud Chime or Siren, Refrigerator Door Ajar Alarm, 4 Minute Reminders – Small Size. (Grey)
Regular price $37.44 USDRegular priceSale price $37.44 USD -
Freezer Door Alarm When Left Open with 0-4Mins Delay, Silver 3PCS
Regular price $73.98 USDRegular priceSale price $73.98 USD -
Freezer Door Alarm When Left Open with 0-4Mins Delay, Silver 5PCS
Regular price $97.98 USDRegular priceSale price $97.98 USD -
WSDCAM Freezer Door Alarm When Left Open, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Sensor Chime Door Open Loud Bells Chimes 108dB, Refrigerator Alert 2 Pack
Regular price $45.98 USDRegular priceSale price $45.98 USD -
Freezer Door Alarm When Left Open with 0-4Mins Delay, Black 1PC
Regular price $37.98 USDRegular priceSale price $37.98 USD -
Freezer Door Alarm When Left Open with 0-4Mins Delay, White 1PC
Regular price $33.98 USDRegular priceSale price $33.98 USD -
Freezer Door Alarm When Left Open with 0-4Mins Delay, White 3PCS
Regular price $69.98 USDRegular priceSale price $69.98 USD -
Freezer Door Alarm When Left Open with 0-4Mins Delay, Black 2PCS
Regular price $63.98 USDRegular priceSale price $63.98 USD -
Freezer Door Alarm When Left Open with 0-4Mins Delay, White 2PCS
Regular price $55.08 USDRegular priceSale price $55.08 USD -
Freezer Door Alarm When Left Open with 0-4Mins Delay, White 6PCS
Regular price $123.98 USDRegular priceSale price $123.98 USD