Sump Pump Alarm and Flood Alert The Reliance Controls Sump Pump Alarm is conveniently battery powered and mounts easily to either a wall, using included hardware, or to a non-porous surface such as a wash tub, bathtub, or tile floor via suction cup mount. The 60 inch water sensor wire and weighted probe can be suspended at any level in a sump to detect rising water levels. A loud 105 dB alarm alerts you when the water level rises too high. A low-battery signal informs you when it's time to change the battery. Monitors sump water levels for excessive rises Sounds loud 105dB alarm. Musical tone alarm option. Water sensing probe end may be suspended at any level in sump crock by attaching supplied weight. Wall-mount anchors keep alarm dry. Low battery signal. Uses standard 9V battery, not included.Brand new