1Two kinds of reminder mode, vibration reminder and sound alarm, can be customized mode to meet different needs. 2Easy to improve bed wetting, develop the good habit of going to the toilet independently. 3Keep the baby away from cold, refuse to red buttock, easy and convenient to use and conol. 4A powerful, flexible alarm that ansmit sound or vibrations to remind any bedwetting alarm. 5Come with USB cable for easy charging, made of high quality ABS material, safe, odorless, non toxic and harmless. Item Type: Bedwetting AlarmMaterial: ABS Receiver Built-In Battery: Lithium battery 350mAhansmitter Built-In Battery: Lithium battery 80mAhHow to use: turn the switch to the right receiver to power on, to the left receiver to power off, the ansmitter is always on by defaultAlarm Consists of Three Parts:ansmitter (Urine Detection) : Detection of urine wirelessly sends an alarm message to the receiverReceiver: The receiver is used to receive the alarm information of the ansmitter and notify the user through vibration or sound. It has the function of temperature and humidity detection and is used for temperature and humidity detection of the current environment.Charging Box (Storage Box) : It is used for charging the ansmitter and receiver. It is convenient for users to store and carry when it is not charged by covering the cover.Effective connection distance: within 20 meters 1 x Bedwetting Alarm1 x Receiver1 x Manual1 x USB Cable1 x Charging Box1 x Charging Protection Cover