YoLink Yolink Smart Water Leak Protection System Kit: Bulldog Valve Robot, Smart Valve Controller 2, 3 Water Leak Sensors, Hub 3YS7903+YS5003S+H+B

DON’T JUST DETECT, PROTECT: Everything you need to start your smart water leak protection system! State-of-the-art smart water leak sensors and automatic water shut-off, even if the internet is down and the power is out, thanks to our unique Control-D2D device-to-device pairing. THAT WAS EASY! Simple, no-plumber-required, DIY installation (you can do it!), installs in minutes, PLUG, PLUG PLAY Hub installation (plug it directly into your router), and SET IT FORGET IT water leak sensors. LONGEST RANGE, BY FAR: wireless 1/4 mile open-air range, and superior obstruction penetration (even through metal!), and extreme long battery life, thanks to LoRa (Long-Range) and low-power cutting-edge technology.