Line length 92cm【Bed Wetting Alarm】This potty trainer allows children to develop the habit of wetting the bed after getting up through scientific subconscious training. The bedwetting alarm has no side effects, the extremely sensitive sensor detects the first drop ofurine and immediately alerts the child to bedwetting. Suitable for children/sick seniors【Three Alarm Modes】Sound plus vibration and flashing light wake up the child to go to the bathroom. Notify family members or caregivers promptly to change wet clothes. No more waiting all night worrying about sudden bedwetting and crying【Adjustable Elastic Arm Strap】Ensure the elderly and children wear comfortably. Easy to put on and take off. If the armband is dirty, it can be removed for cleaning. The sensor clip can be wiped with a cloth after it enters the urine. This product isnot waterproof, except for the sensor clip【Easy to use】Clip the sensor on your panties, preferably close to where your panties are most likely to come into contact with urine. Pull out the insulating strip that holds the battery, turn on the switch, and the caregiver can sleep peacefullyYou can record your child's toilet training progress through the stickers on the progress card, and set goals and rewards to cultivate your child's habit of earning rewards through hard work and lay a solid foundation for a wonderful life in the future