Multifunction GPS altimeter target place save and tracking

Multifunction GPS altimeter features:
1. GPS, Beidou doulble navigation system, double stalite locate, speed, distance, 9 groups route tracking
2. Altitude gain and loss, 24 hours altitude data record and rend chart
3. Altitude remind, setting 1-200meters
4. Target altitude setting
5. History max/ min alatitude, temperature and humidity
6. 24hours air pressure trend chart
7. 16 directions digital compass
8. Temperature, hygrometer, time, date, alarm clock, LED torch
9. USB charge
10. IPX4 waterproof

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