Positioning wrist watch for children aged 3 to 10
| structure | Item | spec |
| ID style | fashion | |
| net weight | 39g | |
| size | 37*45.5mm | |
| button | four buttons ,2 the family number , SOS key, turn on/off button | |
| panel | 0.66 inch LCD | |
| gps antenna | high sensitivity ceramic antenna | |
| GSM antenna | LDS | |
| battery | 400mAm | |
| SIM card | 1 | |
| gravity sensor | support | |
| I/O prot | Thimble charger | |
| waterproofing grade | IP54 | |
| Hardware | Chip | MTK MT6261 |
| GPS chip | MTK3336 | |
| GPRS | Class12 | |
| GPS signal | L1,1575.42MHz C/A code | |
| GPS number of channels | 20 channels | |
| GPS Chip receiver sensitivity | Tracking sensitivity：-159dBm，Acquisition sensitivity：-143dBm | |
| GPS Positioning accuracy | 5～15 meters | |
| LSB positioning accuracy | 100-1000M | |
| The minimum standby current | <0.5 mA | |
| The average standby current | <2.5 mA | |
| Average operating current | < 55mA | |
| Working temperature | -20～70℃ | |
| Operating humidity | 5% to 95% Solidification | |
| Testing and certification | Can pass the CAT, 3C and CE | |
| GPS Antenna | Built-in high sensitive ceramic antenna | |
| GSM Antenna | Built-in 850/900/1800/1900MHz PIFA antenna | |
| Bluetooth | NO Supported | |
| Gravity sensor | Compatible | |
| Speaker | 1609 speaker | |
| MIC | Supported | |
| Tamper | Optional | |
| Software | Support operating system | Android 2.3 and above,IOS5.0 and above |
| Call | Two way communication（Support listening mode） | |
| Language | Simple Chinese, English | |
| GSM+GPRS+GPS | GPS+LBS dual-mode positioning | |
| Support AGPS | Cold boot, locate in 26 seconds | |
| Communication functions | Interference-free mode, family number forced answer automatically, listening to the surrounding enviroment. | |
| Power manager | Ultra low power management, intelligent dormancy | |
| SOS one button | One button SOS, dial automatically | |
| Intelligent defence | Beyond the setting range will send alarm automatically | |
| The historical track | Save the historial track for last 3 months | |
| Online upgrade | Software remote upgrade, remote debugging and maintenance, remote set parameters. | |
