Water Detection System, Alarm Sound Level 80 dB, Alarm Unit Dimensions 4.3 in W x 1 in D x 4.3 in H, Includes Batteries Yes, Maximum Operating Temperature 104 Degrees F, Mounting Location Floor, Operating Voltage 9V DC, Detector Type Water Detector and Alarm, Power Source Battery, Sensor Unit Dimensions 4.3 in W x 1 in D x 4.3 in H, Features Low Battery Indicator, Manufacturer Warranty Length 1 yr, Material Plastic, Monitoring Application Water-Fed Appliances, Water Heaters