Urocare Dri Sleeper Nocturnal Enuresis Alarm, 3" x 1-5/6" x 3/4", Small, ComfortableSmall, comfortable unisex design with moisture detector that attaches inside the underwear. Awakens individual by detecting even the slightest amount of urine. Any disposable, paper-based pad can be used to help secure detector.

• The alarm unit goes on the shoulder and the sensor goes in the underwear.
• When the sensor is wet with urine, it triggers a loud alarm to wake the child.
• Includes four 1.4 Volt batteries.