"1. 4G full Netcom, general version at home and abroad
2. Historical track playback                                    3. Voice-activated recording, remote listening
4. SOS emergency help
5. High-definition two-way conversation
6. Electric fence
7. Lanyard wearing
8. Low battery alarm reminder
9. Advanced sealing waterproof and dustproof (IP67)
10. High-definition two-way conversation" "4G frequency band: LTE-FDD: B1/B3/B5/B8 LTE-TDD: B34/B38/B39/B40/B41
GPS positioning accuracy: 1-5 meters (outdoor open sky)
WIFI positioning accuracy: 15-100 meters (with WIFI signal coverage)
LBS base station positioning: 200-1000 meters (no signal indoors) Working temperature: -20°C ~ +70°C
Working humidity: 20%-80%RH
Product size: 10.5*6.1*1cm
Packing size: 117*87*31mm
Battery: 2100mAh (use time about 10 days)" " 1. Host
2. Magnetic charging cable
3. Manual
4. Lanyard
5. Packing box "