Technical Specifications
| Parameter | Description |
| GSM Module | Quectel EG915U, Cat 1 type |
| GPS Chipset | ZKW AT6558R |
| Charging Voltage | DC 5V/1A |
| Internal Battery | 1000 mAh/3.7 V Lithium Ion Battery |
| Full Charging Time | <2 hours 10 minutes |
| Power Consumption | Average 2.4 mA standby current |
| Working Hours | 5 minutes time interval 3 days 11 hours, standby 16 days |
| Microphone | Built-in microphone |
| Speaker | Built-in speaker |
| Humidity | 5 % to 95 % |
| Waterproof | IP67 (Testing condition: Immersed in 0.66 ft (20cm) depth water for 30 minutes) |
| LED Light | 2 LED lights indicate GPS, GSM, Power status |
| Button/Switch | 1 SOS button, 1 power button, 1 call button |
| Flash Memory | 4 MB (Buffer storage: GPRS 8000 units, SMS 400 units) |
| Motion Sensor | 3-axis motion sensor (for Tilt, Man down, Fall down, Movement detection) |
| Vibration Motor | Built-in, vibration reminder incoming call/button press |
| WiFi | 2.4 GHz 802.11 b (Rx) |
| Operating Temperature | -4 °F to 158 °F (-20 ℃ to 70 ℃) |
| Dimension | 2.56 in x 1.81 in x 0.67 in (65 mm x 46 mm x 17 mm) |
| Weight | 1.69 oz (48 g) |
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