Protect your home - Get alerted to water leaks, before they become a problem. The built-in 90 d siren is perfect for alerting you to a leak when you're home. And if you are not at home, the Wi-fi Water Sensor will send notifications to your iOS or Android device. Connect it to a Google speaker and the Google speaker will announce if there is a leak. Also works with Google Assistant. Wall mounted and battery powered with batteries included for quick and easy placement, and just connect to your home Wi-Fi network for quick and easy install.