Features： 1、Two kinds of reminder mode, vibration reminder and sound alarm, can be customized mode to meet different needs. 2、Easy to improve bed wetting, develop the good habit of going to the toilet independently. 3、Keep the baby away from cold, refuse to red buttock, easy and convenient to use and control. 4、A powerful, flexible alarm that transmit sound or vibrations to remind any bedwetting alarm. 5、Come with USB cable for easy charging, made of high quality ABS material, safe, odorless, non toxic and harmless. Specification： Item Type: Bedwetting Alarm Material: ABS Receiver Built-In Battery: Lithium battery 350mAh Transmitter Built-In Battery: Lithium battery 80mAh How to use: turn the switch to the right receiver to power on, to the left receiver to power off, the transmitter is always on by default Alarm Consists of Three Parts: Transmitter (Urine Detection) : Detection of urine wirelessly sends an alarm message to the receiver Receiver: The receiver is used to receive the alarm information of the transmitter 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 transmitter 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 Package List： 1 x Bedwetting Alarm 1 x Receiver 1 x Manual 1 x USB Cable 1 x Charging Box 1 x Charging Protection Cover