Best Water Line Leak Detectors

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)

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

SwitchBot WiFi Water Sensor, Smart Water Leak Detector, 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Home with 1m Sensing Cable, No Hub Required (Support 2.4G)

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

Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Hub Required!

SwitchBot WiFi Water Sensor, Smart Water Leak Detector, 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Kitchen, Bathroom, Basement, No Hub Required (Support 2.4G)

Geevon 2 Pack Water Leak Detectors, 135dB Water Leak Sensor Flood Detection Water Alarms for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages, and Attics, Battery-Operated (Battery Included)

Geevon 2 Pack Water Leak Detectors for Home, 100dB Loud Water Sensor Alarm Leak Detectors with Drip Alert for Kitchen, Basements, Laundry Rooms, IP56 Waterproof(Battery Included)