About this item Wireless bedwetting alarm for children. They love the small, comfortable, wireless moisture sensor. Bedwetting alarms are the fastest way to solve bedwetting once and for all. When used as directed with night toilet training, up to 9 in 10 children stop bedwetting. A great piece of technology. The thin, wireless moisture sensor is placed in a child’s underwear or diaper. The plastic-coated sensor means no skin irritations. The wireless, battery-powered alarm (battery included) can be near the child or with a parent up to 40 feet (12 metres) away. When the child wets, the alarm sounds. By waking when they wet, over time (weeks to months) children learn to notice a full bladder, wake and go to the bathroom. Free of bedwetting, children grow in confidence and the whole family benefits.