Super fast to send or share location: 1. Open compass app 2. Check satellite signal strength at bottom left corner and then press send button. 3. Fill in custom text or SOS form. 4. Send! After installation, two launch icons will be shown in your apps. 1. The compass acquires your location in real time. Then you can share your location by SMS or by other apps. A built-in phone book of fire departments will be shown if your current location was considered to be in Taiwan. These phone numbers were integrated with Taiwan's 911 system to receive SOS message from SMS. 2. Coordinate conversion tool supports several common coordinate formats in Taiwan. It also supports Taipower geocoding, which was marked on most utility poles in Taiwan. NOTE!! No warranty about the accuracy of compass and positioning. Please be aware that this app is not intended for critical or high accurate measurements. Please support Leave-No-Trace policy and help protect our mother nature together!