1. Inbuilt GPS Module
2. Internet positioning service center, used to receive and send positioning information
3. GSM /GPRS modem supports Quad frequency bands, i.e. 850/900/1800/1900 MHz
4. High-sensitivity, new workmanship and the most advanced GPS chip
5. Can work effectively in limited space such as urban canyon
6. Low energy consumption
7. Fast signal acquisition
8. Supports single positioning and continuous tracking;
9. Supports alarming and remote monitoring
10. Supports fast dial button
11. Supports the location information inquiry by SMS and Internet
12. May monitor without disturbing the tracked person and realizes real-time tracking;
13. Can position the holder by call or SMS
14. In emergency, press the SOS button to have an accurate positioning

Specifications:
1. Material: Silicone
2. Watchcase Dimensions: 2.56 x 1.65 inch / 6.5 x 4.2 cm(L x W)
3. Watchband Dimensions: 10.04 x 0.83 inch / 25.5 x 2.1 cm(L x W)
4. Weight: 332 g / 11.71 oz
5. GSM Module: GSM850/900/1800/1900 MHz
6. Sensitivity: -163dBm
7. Frequency: L1, 1575.42 MHz
8. GPS Positioning accuracy: 0-15 m
9. GSM Positioning accuracy: 50-500 m
10. Velocity Accuracy: 0.1 m/s
11. Time Accuracy: GPS synchronization
12. Default data: WGS-84
13. Maximum altitude: 18,000 m
14. Maximum speed: 515 m/s
15. Operating Temperature: -30℃ ~ +65℃
16. Humidity: 5%-95%
17. Battery: 500mAh, 3.7V
18. AC/DC Adapter: input: 110-250V, AC, 50/60Hz, 0.2A; output: 5V±0.5, 500mA
19. Package Dimensions: 4.92 x 4.29 x 3.86 inch / 12.5 x 10.9 x 9.8cm

Package Includes:
1 x Outdoor GPS Tracker Watch GSM GPRS Security Surveillance Tracking
1 x Power Adapter
1 x User Manual
1 x USB Cable
1 x CD Driver
2 x Battery