Child Tether is developed to track children in a wide variety of environments both inside and outside, in places like malls, supermarkets and other shopping areas, parks, playgrounds, campsites, amusement parks, airports, subways and more. They are meant to be used by parents, grandparents, babysitters and anyone else who has to look after small children. Details     Child Tether allows parents to monitor their children, and be alerted when a child strays out of range. Using audio signals generated by the Child Tether, parents are guided to him/her instantly.