... receiver system, the LED light will be on for short time, there are on/off and music buttons, can choose 16 ... When there is one or several drops of urine on brief, the receiver will have music alarm.4, ... the two ports of sender, or put little water on brief, the LED light will be red, and ... and color of brief can be chosen by users for medical deviceThe wireless bedwetting alarm system (DRI sleeper) ...