Paradox Compact Water Detector with audible alarm and temperature sensor, for areas prone to leaks or flooding (sinks, water heaters, sump pumps or basements), Sensor which triggers an audible alarm upon contact with water; two-way wireless communication with Paradox M systems; includes a CR123A lithium battery with a 5-year lifespan; certifications: CE, EN 50131-2-2, FCC 15.247