1. AK-G2 GPS receiver can take pictures while recording the "GeoTag" in your photos EXIF information, including latitude, longitude, altitude, direction, and time information; 
2. For those traveling themselves, such as outdoor photographers, nature photography enthusiasts, climbers, sports enthusiasts, news reporters, ombudsmen, real estate brokers, this device provides a simple solution, no matter when and where are accurately recorded on your photographs; 
3. Built-in electronic compass, photo EXIF orientation information can be recorded lens (most other GPS do not have); 
Fast satellite acquisition; Energy-saving automatic sleep mode (automatically enters sleep mode when not taking pictures); 
4. In recording the last known GPS position automatically records when used indoors in the photo; 
5. On / off switch; 
6. With shutter line interface; 
7. Data Retention: longitude, latitude, altitude, direction, and time information; 
8. Update rate: once per second; 
9. Acquisition of satellite required time: 30s (cold starting in open field), 3s (hot starting in open field); GPS accuracy: 5m; 
10. Average working consumption: 60mA; 
11. Average power consumption under sleepy mode: 2mA; 
12. Working temperature: 0'C~40'C.