GearBest has a home improvement item on sale for $9.99. The Xiaomi Aqara Smart Water Sensor can be mounted anywhere you want to monitor for water and sends data to your smartphone when it senses water and also sends data when water has been released.
https://www.gearbest.co
Main Features:
? Immersion monitoring, timely alarm by App
? IP67 waterproof grade, high-quality and durable
? No installation, place on the ground, small and exquisite
? Note: the CR2032 battery is included
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