[Introduction] It's an essential APP for outdoor people. It can accurately measure altitude, latitude and longitude, direction and so on. It can also share photos with information such as altitude to social network. [Function] 1. Altitudinal: accurate real-time display of current altitude information. 2. Compass: accurate and real-time display of the current direction. 3. Barometer:display real time pressure. 4. Locator: display the current latitude and longitude and address information and display it on the map. 5. Speedometer: accurately display the current speed in real time. 6. Social sharing: you can print and share the information watermark inside the album or the photos taken by the camera. [Contact] [email protected] [Weibo] http://weibo.com/cnmaps