At a glance Expert’s RatingProsRapidly alerts you to the presence of water anywhere it shouldn’t beIntegrates with Ring Alarm and Ring Alarm Pro security systemsDetected leaks can trigger a smart water valve to shut off your water supplyConsOf no value if you don’t have a Ring Alarm or Ring Alarm Pro security system and a subscriptionLow temperature threshold fixed at 40 degrees FahrenheitDoesn’t monitor ambient humidityOur VerdictA well-designed product that adds a new aspect of protection to Ring’s home security systems, the Ring Flood and Freeze Sensor works as advertised. But it’s not uniq…