Package comes with two sensor clips which makes you easy to clean and use alternately for long-term use. Additionally, If for any reason you aren?¯t happy with your purchase, simply contact us without hesitation. Our pee alarm for kids is powered by two AAA batteries, ensuring long-lasting, safety and reliable performance. With its compact and lightweight design, the TENQIU bedwetting alarm is easy to carry and comfortable for your child to wear during sleep. 2 working mode(sound + vibration mode and vibration only mode). The sound + vibration mode provides an audible alarm and powerful vibration, while the vibration only mode ensures discreet alerting without disturbing others. Choose the mode that suits your child's preferences and sleep environment. Our bedwetting alarm is designed to be highly sensitive, instantly detecting moisture and triggering the alarm to wake your child. The strong vibration ensures that your child wakes up promptly, promoting successful potty training.