This watch is such fully functional just like a mobile phone 4G smart watch phone with two-way video calling feature, face to face video talk with your child anytime anywhere Built-in GPS, allowing you to know your child's location in time and view historical journeys, ensuring your child's safety It allows parents to communicate with their children at any time, making it easy to understand their children's situation IPX7 waterproof, no worry getting wet when washing hands Specification: Overall Size: 236.6*43.6*15.1mm (Include watch strap) Weight: 55g Material: ABS+PC+soft silicone Main Chipset: ASR3603S GPS Chipset: Built-in Operation system: RTOS System Memory: RAM 128MB + ROM 196MB SIM Card Slot: Nano SIM card slot Frequency Bands: 4G FDD: B1 B2 B3 B5 B7 B8 B20; 4G TDD: B38 B39 B40 B41; 3G WCDMA: B1 B2 B5 B8; 2G GSM: B2 B3 B5 B8 Location Mode: GPS+LBS+WiFi GPS Location Precision: 5-15m WIFI Location Precision: 50-100m LBS Location Precision: 100-1000m LTE/GPS Antenna: Internal Battery: Built-in 700mAh polymer battery Cable Type: Magnetic charging cable Display Screen: 1.4 inch IPS color touch screen, 240*240 pixels Physical Button: Power button (SOS) Camera: 0.3 megapixels Waterproof Level: IPX7 APP Language: Chinese/ Danish/ Dutch/ English/ French/ German/ Greek/ Hindi/ Hungarian/ Indonesian/ Italian/ Malay/ Pilipino/ Polish/ Portuguese/ Russian/ Spanish/ Swedish/ Thai/ Turkish/ Vietnamese/ Arabic/ Bulgarian/ Finnish/ Czech/ Romanian/ Hebrew/ Bosnian/ Persian/ Israeli/ Slovak Watch Language: Chinese ,English, Russian, Spanish, Polish, Dutch，Turkish, Italian, French Functions: Location: GPS+LBS+WIFI location, Geo-fence, Route playback Communication: SOS, 2-way call, Voice message, Remote monitor, Video call, VoLTE Health: Pedometer, Sleep monitor Others: No disturbing time, SMS alerts(Low battery alert/SOS alert), Remote shutdown, Alarm clock, Watch finder, Math game, Camera, Rewards, etc