The Dyconn Faucet Water Detector Alarm is a battery-powered water alarm that can be installed anywhere a potential leak may occur. Near plumbing fixtures, water filtration systems, dishwashers, washing machines, sinks, water heaters and basements are just a few of ideal locations that will benefit from a water alarm. This product includes a 1-year manufacturer warranty. Package includes leak detector (batteries included), installation guide, and installation accessories