Alert area / ALERT

In the light of the the widespread of smartphone, the numbers of smartphone addicts increases dramatically. However, it is common that people who addict in their smartphone would ignore the dangerous when walking on the street.
The area alert could alert people who walk inside the dangerous area with directivity loudspeaker. By using directivity loudspeaker, the people who outside the dangerous area will not be avoided by the alert area. By using this technology, the alert area can protect passenger without the restriction of weather and day time.