Enhancing modern GPS and GSM technology, Unico's system allows real-time location tracking. Via either one of the two simple modes - SMS or the Online GPS Tracking portal; Unico's locators easily allows you to locate where your loved ones are. With just a press of a button, a SOS alert can be delivered as an urgent message when needed. This compact device also allows voice calls to be made to your pre-defined numbers or even local emergency numbers.