AC Powered Smart Wi-Fi Water Sensor with 6ft/1.8m Cable, Flood and Leak Detector – Alarm and App Notification Alerts, No… Price: $24.99 (as of 01/10/2022 22:57 PST- Details) & FREE Shipping. Details

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✔ HASSLE-FREE MONITORING – The 3 highly sensitive gold-plated probes keep our home safe from damage by alerting you on the phone instantly or making an audible alarm in the event of any flood or water leakage.
✔ THOUGHTFUL DESIGN – It can easily be installed anywhere near an AC outlet. The AC connector with 6ft/1.8m cable ensures that you will never have to change the battery.