1. Basic functions: multiple positioning, two-way communication, remote photography, voice monitoring, super waterproof, electronic fence, low battery reminder, historical trajectory, autonomous dialing, sports monitoring, call fire prevention
2. Positioning: GPS+Beidou+WIFI+LBS precise positioning, about 10-30 meters
3. Battery: Gel polymer 420mAh
4. GSM frequency band: 850/900/1800/1900
5. Positioning data upload: upload every 10 minutes
6. Working voltage: 3.3-4.2V DC
7. Power: 30W
8. GPS sensitivity: -159dBm
9. Waterproof rating: IP68
10. Support languages: Chinese, English, Russian, German, French
11. Screen: 1.33 inch IPS screen
12. Resolution: 240 x 240
13. Organic tempered 3D glass
14. Watch strap pacifier material
15. Watch case baking varnish UVA wear-resistant metal baking varnish
16. Weight: about 48g
17. Size: about 4.7 x 3.85 x 1.6cm