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