ChunHee WiFi Door Sensor, Door Window Sensor Alarms Detector Real-time Alarm with Alexa, Google Assistant, No Hub Required, Trigger APP Notification, for Home Bussiness Burglar Alert(2.4GHz WiFi)

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  • Smart WiFi Door Sensor with APP Alerts Control with the "Tuya Smart" or "Smart Life" app. Get instant app free notification alerts on your smartphone when doors or windows open or close. Please choose 2.4GHz WiFi, not support 5G WiFi. App notifications are free, if you choose SMS or phone notifications may need to pay.
  • Lifetime Warranty Service No matter how long you have purchased, please feel free to contact us if you encounter any problems, and we will solve them for you within 24 hours.
  • 90dB Sound or Silence With a double-click, adjust the volume of the 90dB door sensor chime to your liking, or simply turn off the sound altogether. You'll still receive alerts from the app regardless, making this wireless door alarm the perfect balance of convenience and customization.
  • Easy Installation and Widely Use Install the door sensor with the included 3M sticker for a firm and durable hold. Place it on gates, refrigerators, drawers, bedrooms, garages, yards, pet doors, and more. You can refer to the video installation in the main image.

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