These powerful sensors let you monitor your home for leaks and floods, so you can take action before it’s too late. With 1/4 mile world’s longest range connectivity and compatibility with Alexa and IFTTT, you can control your sensors from anywhere, at any time, using simple voice commands or easy-to-use applets. And with the YoLink app, you’ll enjoy real-time notifications and alerts, so you always know what’s going on. The Water Leak Sensors are easy to install and require no tools or wiring. Simply place them in any area where you want to monitor for water leaks or floods, and you’re good to go.