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YoLink LoRa Smart Door & Window Sensor 3-Pack Door Left-Open Reminders, up to 1/4 Mile Open-Air Range, up to 5 Year Battery Life, Alexa, IFTTT, Home Assistant
THAT WAS EASY! Installs in moments scan the sensor's QR code, give it a name, peel off the pre-applied 3M brand mounting tape protective plastic, press the sensor and magnet to the door and frame, and you have added security to your home or business! WHY PAY A MONTHLY FEE, when you can secure it for free? Self-monitor and save when you take advantage of our many ways to be notified of alarms and off-normal events in and around your home or business. See Know Now! for more information!

Price is $47.00
Price: $46.99