Specifications: *Material:Silica gel *Platform/GPS:MTK2503D/MTK2503 *Frequency:2G:GSM850/900/1800/1900MHz *SIM:micro SIM card *Display:1.22"capacitive touch panel 240*240 pixels *AGPS:Support,Cold boot,locate in 26 seconds. *Support OS:Android 4.3 or above & IOS 7.0 or above *Appliaction:Interference-free mode,family number forced answer automatically,monitoring the surrounding eneironment,power manager, sos onekey for help,electonic fence,historical track *Battery:400 mAh(Standby time: 3~5 days ) *Dimension:45.0*32.8*12.8mm Functions: *1.Pedometer,sleep monitor,Amount of exercise,G-sensor *2.Intercom *3.SOS emergency alarm *4.The historical track *5.Remote shutting down *6.GPRS real-time locating, tracking and monitoring; *7.Remote control by smart phone(Down the APP remote control the child's smart watch) Package Include: 1 x Tecomax Smart Watch 1 x USB Charging Cable 1 x User Manual *Note:Insert the kids smart watch sim card need and support the 2g gprs traffic