GPS tracking watch ,SOS watchbasic infoscreen:0.66"SIm card:Single micro sim card slotnetwork model:GSMData Service:GPRS2G:GSM 850/900/1800/1900button:one one the watchcolor:Blue, pink,black,yellowSize:32.5*23*11 mmWeight:41gOther feature:LBS trackingCPU:MTK6260-364MHzHardware info:GPS chip:GPS MTK33373 d acceleration sensor:Positioning accuracy to 5 to 15 mBattery: 370mAh   bulit-inStandby time: 53hours.talk time: 6hours.Basic info:SOS emergency call:set SOS phone No.,long press SOS button for 3 sec will call to admin phone no.The family number: can set three SOS number,if the admin phone no. not answer,the call will loop three timesSMS tracking :Send SMS to watch to get the watch's position.PC,smart phone tracking:APP download by QR-code or from our website.LBS tracking:if not have gps signal, auto change to tracking by LBSapkAPP download by QR-code or from our website.PackageWatchx1changex1manual x1USB x1Warranty:APP download by QR-code or from our website.Package Size0.3KG   /box 50pcs /ctn                                         Box: 105*98*84MM   Carton size: 52*22*43.5CMWarrantyWarranty Period: 1 year