User talk:Dewa P

From many case of lost chidren from parents when recreation on park, recreation place such as disneyland etc, it will be the bottom of new idea product utilies and economic value product if we can made new product for detect likes bracelet with sound or vibration between the parents and child when parent and chidren separate 2 meters, this product will be more cheap than product with GPS but GPS also can be added for different product with high price.{ – }