Best Water Alarm Sensors

Yale AC-WS Sync Water Leak Sensor - Sync Alarm Accessory - 200m

CPVAN Indoor Motion Sensor Alarm with Siren, Wireless Infrared DIY PIR Motion Detector Burglar Alarm System, Battery Operated, 125dB Adjustable, Remote Control for Home/Garage/Van/Shed/Shop. (Black)

BCONE® System Pool Alarm by Lifebuoy® | Certified ASTM F2208 Floating Pool Alarm | Loud Pool Safety Alarms on Home & Pool Units | Connects to Alexa | Pool Alarms for Inground Pools and Above-Ground

X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm with 1700 ft Transmission Range for Kitchens, Basements, Bathrooms, 3 Water Detectors & 1 Base Station, SWS54

Tapo Smart Water Leak Detector , Water Leak Sensor - Real-time App Notifications, 90 dB alarm, IP67 Waterproof, Battery included, Flexible Installation, Tapo Hub Required sold separately (Tapo T300)

Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Outdoor Motion Sensor&Detector-DIY Security Alert System-Monitor&Protect Outdoor/Indoor Property - 1 Receiver and 1 Sensor

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)

SEBSON Water Alarm Mini GS153, 10 year long term battery, water leak detector 60x60x24.2mm, water sensor with lithium battery

Aqara Water Leak Sensor, REQUIRES AQARA HUB, Wireless Water Leak Detector, Wireless Mini Flood Detector for Alarm System and Smart Home Automation, Water Sensor Alarm for Kitchen Bathroom Basement

Bosch Smart Home Water Alarm with App Function (Emergency Call Speed Dial in the App, Slip-Proof, Slim and Compact)