Feature:1. Precise locationWe use the location of LBS base station for precise position.2 Secure incoming callsAfter setting SOS family number, contacts and phone numbers in the app, children can only receive calls from defined numbers. Not from abroad Kids can press the SOS button or familiarity number to call you 3 Walkie talkieWith this function, you can have a voice conversation between the smart watch and the app. Send a voice message via the app or watch the recording of the message sent to the phone app: everything is available The radius is less than 500 meters. If the watch user goes out of range, your phone will receive and alert.5 Love rewardSelect the number of hearts on the app and click determine it, then the information will be sent to the watch, you can check the related data through the app6 HistoryRoad Path query in the historical activities of your children by choosing the place.7. Find the watchIf the watch is not nearby, send this command, it will start ringing for 1 minute so that you can find it easily. Press any button to stop the ringer.8 Alert messageone.b. SOS call backIf you set the phone number in the SMS alerts setting of the app, you will receive a message when the above 3 conditions occur.9 Listen to the childrenIf you miss your baby, you can listen to them without disturbing them.ten. Remote shutdownYou can remotely control the power off of the smart watch through APP.11. Quick learningChildren can play math games from the watch12.LightThe will a LED flashlight for you when you in the dark.13.CameraYou can remotely control the camera by APP to see the location of children.Features:Frequency: GSM 850/900/1800 / 1900MHzBody memory: 32MB + 32MBApplicable system: For Apple IOS AndroidScreen size: 1.44Waterproof level: IP67 waterproofWireless distance: unlimited distance WorkingMode: Touch Screen + ButtonTracking Model: LBS Base Station PlotterGPS PositioningAccuracy : 50-200mm Speed Accuracy: 0.1m / sBattery Capacity : 3.7V 400mAType of SIM card: Micro SIM cardWeight: 0.12 kgPackage include:1 x children's watch (without SIM card)1 x charging cable1 x English user manualNOTE:SIM card size: Micro SIMcard Supported card types: SIM cards that can be switched to 2G networks or cards that can switch to 2G, 3G and 4G networks (at least 2G)Card types not supported load: Telecom type cards (cards which cannot change 2G network)Time display: automatically calibrate the time according to the time zone of the watch and the network of the SIM card, manual change is not not supported