Best Water Detector For Under Slab Leaks

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

Geevon 2 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)

Pinless Moisture Meter - Povlen Wood Moisture Meter Digital Moisture Detector for Lumber Drywall Firewood Masonry Woodworking Plaster Floor Concrete Building with LCD Display Sound Alarm

Govee Water Detectors 5 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

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!

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)

Water Leak Detector 3 Pack, Shackcom Water Alarm 110DB, Wireless, Waterproof & Battery-Operated, Audio and Light Alerts for Bathroom, Kitchen & Home Security (No Batteries 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)