PROVEN IN CLINICAL STUDIES TO STOP BEDWETTING - Malem bedwetting alarms for boys and girls are recommended by doctors worldwide for the treatment of nighttime wetting. This product is a safe, effective way to stop wetting the bed. COMPACT, COMFORTABLE AND LIGHTWEIGHT - Measuring 2 inches square and weighs just 1oz. Enuresis alarm box is backed by a 1 year warranty. CE Mark and FDA registered. ADVANCED SENSOR TECHNOLOGY - Features Secure Grip and Quick Detect. Quick Detect technology senses one drop of urine to quickly alert the child as wetting begins.