1. Communication frequency band: 850/900/1800/1900 ΜΗz 2. Working voltage: 3.3V-4.2V DC 3. Working temperature: -20~+70 degrees Celsius 4. Charging voltage: 5V DC 5. Built-in lithium battery: 180mAh 6. Applicable to fleet management, the elderly are lost, children are lost, and pets are lost. 7. Global real-time update positioning, view real-time trajectory, and make the itinerary clear at a glance 8. Ultra-thin and intelligent, global positioning terminal, with powerful APP functions 9. Configure a highly sensitive intelligent positioning chip to improve the performance of the entire machine 10. Alarm information will be pushed in and out of the security fence in real time 11. Track playback location and duration for infinite playback within 180 days 12. Built-in magnet adsorption, no manual installation required 13. Single machine weight: 15g 14. Size: 41.2x13.6mm
