Sensor device for preventing bedwetting. - Product Name: Wet-Stop3 - Color: Blue - Included: Instruction manual, sensor - Features: Bedwetting prevention sensor - Power: Battery operated Thank you for viewing. Operation confirmed on 10/31. Bedwetting stopped soon after use, possibly because of the loud sound! Used a few times a month for one month, so it's still in good condition. It has been opened and used, so please understand before purchasing.