Security function:
1. Offline alarm: that is to alarm when cut off any wire linked the exhibit.
2. Sensor alarm: that is to alarm when the sensor at the back of the exhibit if off by force.
3. Charging disconnect alarm: that is to alarm when the charging interface of the display is pulled out.
Charging function:
1. Charging function: supply power for the cell phone.
2. Management function: it can set charge interval to protect the battery life of the cell phone