Our #1 Recommended Alarm. New and improved, this alarm combines light, sound and vibration to help even the deepest sleeper wake. * Compact, comfortable and lightweight alarm, measuring 2 inches square and weighs just 1oz. Alarm box is backed by a 1 year warranty. CE Mark and FDA registered. * Advanced Easy-Clip Sensor Technology, features Secure Grip and Quick Detect. Quick Detect technology senses one drop of urine to quickly alert the child as wetting begins. * Small, comfortable Secure Grip feature locks the sensor in place to avoid messy, taped-on sensors that fall off at night. * Now with FREE Smartphone App. Have questions or need support while using the alarm? Easily find answers to frequently asked questions, submit a question or watch instructional videos right from your own phone.