Water Alarm; Sound Level - Maximum 85 dB; Nameplate Voltage 9V DC; Power Cord Length 12 ft; Sensor Cord Length 12 ft; Includes Mounting Hardware; For Vessel Type Water Tanks; Sump Pump Basins; Detection Type Leak; Battery Backup Yes; Overall Height 3.8 in; Overall Length 2.4 in; Overall Width 1.4 in