1. Model: DS18 waterproof positioning watch
2. Display: 1.44 inch color display
3. Network mode: support single card
4. Battery capacity: 450mAh
5. Frequency: GSM800/900/1800/1900
6. Positioning: WIFI+GPS+LBS
7. Features: waterproof, micro-chat, triple positioning, track query, electronic fence, real-time monitoring, alarm clock, remote shutdown, class disable, telephone firewall, SOS emergency call, quick live call
8. APP background: security guard 
المراجعات
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