Multi functions kids smart watch: The 4G Kids GPS Watch main functions include Real Time GPS Position/ Two Way Call/ SOS/ Phone Book/ Voice Message/ Flashlight/ Camera/ Photo album/ Alarm Clock/ Silent Mode(Class Mode)/ Safety Fence/ Pedometer/ Historical Route etc. This smart watch is a perfect Christmas,birthday gift; The kids smart watch manufacturer is TEZILON. The smart watches for kids compatible in 3-15 years old boys and girls Kids 4G GPS tracker: The kids watch has a built-in GPS positioning device. Parents can check the kid's location by tapping on the app that matches the watch for kids with their mobile phone.Know where your kids are anytime. This is a superb choice for personal safety; Historical Route Track: Past locations of the GPS watch in latest 90 days will be stored in system for your future checking IP67 Waterproof & 2-Way Call: This watch for kids supports voice calls and video chats. Parent and child can call each other and know the kid's situation in time. kids don't have to take their watches off when washing hands or playing in the water SOS Emergency Call Anti-lost Watch: The one-touch SOS design allows children to notify their parents in time when they are in danger. Long press the SOS button to automatically dial the emergency contact number. You can even set the SOS number as an alarm call, and call the police station with one click, so that the child can stay away from danger as soon as possible. This kids smartwatch is undoubtedly a great tool to protect children IMPORTANT: This watch supports 4G network, while most GPS watches on Amazon support only 2G network. 2G network is going to be shut down in USA, and you must get this watch with 4G compatibility that works perfectly in USA. This is the reason why our price is higher than other GPS watches, 4G GPS watch needs much cost on the chip Silent Mode (Class Mode): You can set silent mode in the watch then the watch will not influence your child during school time Please read the user manual in the package carefully about how to make this watch working before you use it. This watch supports AT&T (from AT&T store),Speedtalk (from Amazon), RedPocket, T-Mobile etc. For birthdays, Christmas, Halloween or New Year's Day, this may be the best choice. It is very suitable for gifts to sons, daughters, nephews or other relatives and friends. Our watches can be used in both North and South America, if you want to take your watch to countries other than North and South America, please let us know in advance and we will recommend the correct version to you.