Best Flooding Sensor

Ring Alarm Flood and Freeze Sensor

Govee WiFi Digital Hygrometer Thermometer 3 Pack, Indoor Outdoor Smart Gateway Room Temperature Humidity Sensor, Wireless Temp Gauge with App Alert, for Home, Greenhouse(not Support 5G WiFi)

Govee WiFi Water Sensor 3 Pack, Water Leak Detector 100dB Adjustable Alarm and App Alerts, Leak and Drip Alert with Email, Wireless Detector for Home(Support 2.4G WiFi, Not Support 5G WiFi)

Geevon 4 Pack Water Leak Detectors, 100dB Water Sensor Alarm Flood Detection Water Alarms for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages, and Attics, Battery-Operated (Battery Included)

GoveeLife WiFi Water Ieak Detector 2 for Home, Smart Water Ieak Sensor 4 Pack with 100dB Adjustable Alarm and App Alerts, Wireless Detector, 1312 ft Transmission for Basement, Kitchen, Bathroom

D-Link Wi-Fi Water Leak Sensor Starter Kit, 2-units, 100 dB Alarm Siren and App Alert, LED Strobe Warning Light, No Hub Required, Works with Google Home, mydlink app, Expandable (DCH-S1621KT)

Govee Water Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)

YoLink Smart Home Starter Kit: Water Sensor 4-Pack & Hub Kit - Sensor Compatible with Alexa and IFTTT, 1/4 Mile Range, Instant Remote App, Text(Limited) and Email Alert

Govee Water Detectors 2 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)

Aqara Water Leak Sensor Kit - 3 Pack, Requires AQARA HUB, Wireless Water Leak Detector, Wireless Mini Flood Detector for Alarm System and Smart Home Automation, for Kitchen Bathroom, Works with IFTTT