1. Material: ABS
2. Network: GSM/GPRS
3. Network frequency band: 850/900/ 1800/ 1 900Mhz
4. GPS chip: MTK2503D
5. GSM/GPRS module: MTK2503D
6. GPS sensitivity: -161dBm
7. GPS accuracy: within about 5 meters
8. Battery: rechargeable 3.7V 1200mAh
9. Standby time: 20 days
10. Memory: 5M
11. Size: about 4.8x3.2x2 cm
12. Weight: about 38g
Features:
1. High-definition microphone, automatically filter noise
2. 24-hour real-time monitoring, multiple positioning, electronic fence, historical track
3. 4 working modes, which can be adjusted at will according to needs
4. Support multi-platform query
5. 180-day history track can be checked
6. Portable USB interface for charging, convenient and fast