Feature: 1. Appropriate Volume: Volume does not cause disturbing, the volume of 70‑100 decibels is a normal alarm sound, so you don't have to worry about disturbing your ears. 2. High Sensitivity: Armband is equipped with an alarm device, with high humidity sensitivity, vibration reminder, when alarm is activated, there is a sound and slight vibration to remind you. 3. Easy To Wear: Adjustable elastic arm straps ensure a snug fit, easy to put on and take off, fit the child's upper arm for a comfortable sleep. 4. Daily Use: Place or clip sensor where it can detect moisture and it will remind you to help your baby go to bathroom, it can also help elderly or sick in daily use. 5. Physiotherapy: Bedwetting receiver in the middle of night will sound an alarm when exposed to urine, allowing child to gradually improve bedwetting and develop a good habit of independence. Specification: Item Type: Bedwetting Alarm Monitor Battery Type: CR2025 button battery (shipped with built in battery) Line Length: Approx. 90cm/35.4in Switch: Inductive Reminder Method: Ringtone, vibration, light off flashing Users: Infants, children, the elderly, people with enuresis habit. Package List: 1 x Alarm1 x Manual1 x Screwdriver2 x Clips