Best Leak Sensors

Govee WiFi Water Sensor 3 Pack, Smart Water Leak Detector, 100dB Adjustable Alarm Suit for Home and Basement, Water Leak Alert with Email & APP Push

GoveeLife Water Leak Detector 2, LoRa Water Sensor Alarm Monitor Up to 1312ft Open-Air Range, Alexa, App, Email Notifications, Detector Protection for Your Home, Kitchen Sink, Bathroom, Basement

YoLink DIY Automatic Water Leak Detection & Shut-Off Starter Kit, EVO Valve Operator, Wireless Valve Controller, (3) Leak Sensors, Hub

YoLink X3 Version Smart Water Leak Protection Kit: X3 Valve Controller, Bulldog, (4) Leak Sensors & Hub

Winees WiFi Water Leak Detector, 3 Pack Water Sensors with 100dB Adjustable Alarm, Leak Alert Email&SMS Notification, 100M Transmission for Basement, Bathroom, Laundry, IFTTT, S1 Plus, 2.4G WiFi Only

YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4-Pack, SMS/Text, Email & Push Notifications, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Home Assistant

Aqara

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

YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4 with 105dB Audio Alarm 4-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT

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

GoveeLife Water Leak Detectors 3 Pack, 100dB Adjustable Audio Alarm and Leak and Drip Alerts, Detector for Home, Bedrooms, Basement, Warehouse, Cabin/RV