The Phyn Smart Water Sensor 3-Pack Wi-Fi in black is a set of water detectors that offer features such as mobile and audio alerts, remote monitoring, and humidity tracking. With a smart home protocol of Wi-Fi, these sensors are designed to provide peace of mind in detecting water leaks or issues in your home. Manufactured in 2021, these water detectors come with batteries included and are equipped with advanced technology for reliable performance. Perfect for enhancing your home security and monitoring system. Fcc2ANC3PHYCF006.