Should you have any problem in operating the bedwetting alarm, please refer to the troubleshooting guide or contact us by email. We offer you a one-year warranty on the bedwetting alarm from the day of purchase for manufacturer’s defect. In such case, you can return us the purchased unit for a replacement/repair. Please contact us by email before you do so. Kindly also remove the batteries and decontaminate the alarm unit and sensor before returning. The warranty does NOT cover batteries and sensor chord, misuse or accidental damage.