Wireless Water & Temperature Sensor White w/ Buzzer; Cert ID: ZC08-09050007 BEFORE YOU BUY: Check to make sure your home automation controller / security panel is interoperable with our device. NOT ALL Z-wave Controllers are compatible. Please visit our website, ask your controller manufacturer, or call us with questions. Battery operated, 2 AA batteries included, Z-Wave Flood Sensor, certified with latest Z-Wave standards Sends Leak Detection Alarms, TEMPERATURE reports, and Battery Status to Controller Applications: Under Sinks, Sump pump, Refrigerator, Bathtub, Water Heater, Dish Washer, Toilets, Laundry Washing Machine, Protect for freezing temperatures (pipes, rooms, garages, etc)