| Item | Technical Parameters |
| Chip platform | 4G CAT1 Zhanrui 8910FF |
| Sensor | 3011 |
| SIM card | ESIM card+Nano SIM card compatible design |
| Storage | 24M ROM+16M RAM |
| display screen | 1.28-inch IPS 240 * 240 ultra high resolution |
| Touch Screen | Support capacitive touch screen |
| Vibration motor | Support |
| Battery | 650 mah,working time about 3~4days |
| Button | Power button +SOS button |
| Charge | Magnetic suction type 4 PIN |
| GPS antenna | LDS type |
| Size | Diameter 43mm*12.8mm |
| thermostability | 60 degrees centigrade |
| Horn | Class D power amplifier 0815 cavity speaker |
| Fuction | |
| 1.Biometric identification and clocking, local identification, not online identification with a recognition speed of less than 6 seconds, a recognition pass rate of 93%, and real-time reporting of recognition results and location during clocking System; | |
| 2. The Beidou positioning function is adopted, and the positioning accuracy is within 4 meters when there is no shelter outside; Regularly report positioning information to the system. Filtering poor satellite signal function when there is obstruction outside; | |
| 3. Built-in gyroscope; Automatically collect more than 5 different motion state data per second, store and report all historical data; | |
| 4. Monitor heart rate continuously every second in real-time and store and report all historical data to the server; | |
| 5. SOS active rescue function; | |
| 6. There is a display screen that can display the name of the wearer and the information issued by the server; | |
| 7. Step recording function, motion trajectory collection; | |
| 8. The function of regularly transmitting data to the server. In wearing status, complete data is reported in every 10 minutes, including the device MAC, sim card iccid number, battery power, and device wearing status,number of steps,clocking time/clocking result, locating information, locating time, historical heart rate data and timestamp collected per second, and movement status time and timestamp collected per second; | |
| 9. Report the complete data of item 8 every 10 minutes, and continuously wear it for 48 hours or more; | |
| 10. When the standby mode lasts for 10 days and the heart rate module is not worn, it automatically enters low power consumption mode; Automatically wake up when wearing in low power consumption mode, and automatically resume reporting mode; | |
| 11. Lightweight and easy to carry; | |
| 12. Fall proof, waterproof grade IP67; | |
| 13. Plug in a SIM card for 4G communication, which can interface with the information system to meet network security requirements. | |
