Function:
1. GPS+LBS+WiFi positioning.
2. Familiarity number dialing two-way conversation and voice monitoring.
3. Support One-key first-aid.
4. Wrist off alarm: When falls off the wrist, it gives the alarm to APP client.
5. Support Safety fence.
6. Historical trace: 90 days historical traces
7. Low battery alarm: When electric quantity is lower than 10%, it will give alarm to APP client.
8. WeChat: Through GPRS data transfer, it probably has 10 seconds' voice conversation transfer
9. Remote power-off: APP client can power off the watch remotely.
10. Do not disturb mode: Set up master control number and familiarity number, can reject cold calls, be sure to set up master control number first.
11. Address book: Support short number dialing, mobile phone number can't dial the short number, because they don't belong to one group.
12. System map: Google, Baidu, AutoNavi, Tencent, OpenStreetMap

Parameter:
1. Dimension: 35*60*13mm
2. Machine weight: 43g
3. Key: Telephone Key, Record Key, Power Key, SOS Key
4. Screen: HD LCD screen, 240*240 resolution
5. GSM/GPS: MT2503
6. Number of GPS channels: 20 channels
7. GPS sensitivity: -159DB
8. GPS accuracy: 5-15M
9. LBS accuracy: 100--1000M
10. Language: Chinese and English, restart the watch after setting
11. GPS antenna: High sensitivity active ceramic antenna
12. GSM antenna: Large area FPC gold-plated antenna
13. Battery: Gel polymer 400mA
14. GSM frequency: 850/900/1800/1900
15. Standby time: about 45 hours if upload every 30 seconds, about 50 hours if upload every 10 minutes , about 4 days if upload every hour
16. APP support system: Android version 4.0 and above, Apple version 8.0 and above

Package Include:
- 1 x Wrist watch
- 1 x USB cable
- 1 x Screwdriver
- 1 x Instructions
- 1 x Certificate of qualification
- 1 x Warranty card