Best Sensors With Hubs

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)

Chamberlain MYQ-G0401 - Wireless Smart Garage Hub and Contro, White

D-Link Wi-Fi Water Leak Sensor and Alarm Starter Kit w/ 2 Add-on Units, Whole Home System with App Notification, AC Powered, No Hub Required (DCH-S1622KT)

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

YoLink Weatherproof Temperature Sensor, YoLink Hub Required

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

Smart Wireless Temperature/Humidity Sensor Wide Range (-22 to 158 Degrees) for Freezer Fridge Monitoring Pet Cage/Tank Monitoring Smartphone Alerts, Works with Alexa IFTTT, 2 Pack - Hub Included

Yolink Smart Wireless Door Sensor, APP Alerts Smart Door Window Sensor Smart Home Security System, 3 Packs

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