Place the Flo by Moen Smart Water Detectors anywhere in your home that may be vulnerable to drain-side leaks or environmental damage, such as water heaters, window sills, toilets, and washing machines. Add any of the six (6) Remote Sensing Disk to extend your range and versatility for unlimited use cases. Use the three (3) included Leak Sensing Cables to cover even more area or line vulnerable areas, like window sills and baseboards.