Una sirena, puede emitir una alarma en tiempos de crisis.
Usted puede reportar su ubicación actual en cualquier momento para obtener ayuda.
Apoyar Apple Watch.
Por Apple Watch, incluso la pantalla de bloqueo iPhone también puede hacer sonar la alarma.
8 functions more than the free version
* Supports flashing while issuing an alarm.
* Support flashlight function.
* Support flashlight brightness, flash adjustment.
* Support flashlight SOS function.
* Supports 15 kinds of alarm sounds, suitable for more scenes.
* Support when using the headset still use an external speaker to play the alarm sound.
* Support and other App play together, so that will not be other App interrupt alarm sound.
* Support for the Today Widget, the right slide screen can quickly start the alarm, which saves time.
Continued use of GPS running in the background can dramatically decrease battery life.