Jumbl&trade; Super Portable Water Alarm, Battery-Powered &ldquo;Waterbird&rdquo; Leak Sensor and Detector Protect your Home from Potential Leaks, Mold and Damage - Small Enough to Fit in Virtually Any Space &ndash; Remarkably Accurate Early Detection Cheapest Way to Protect Your Home from Leaks, Mold & Water Damage Powered by 3 AAA Batteries (NOT Included)  No Big Hassle Installation Required Set & Forget: Slightest Water Contact Sets Off Super Loud Alarm Cutely Designed Like Watch Bird & Finished in High-Gloss Plastic Metal Sensors on Bottom Also Provide Quick Testing Function Description