... retractable Acrylic display stand for E-book,ipad mini ,tablet pc 1.anti theft 2,retractable 3,for ipad,tablet Anti theft retractable Acrylic ... 10 sets or more remoteAlarm function: 1, disconnection alarm, that is, cut off any connection to connect the exhibitionmachine alarm. 2 ... thesensor alarm 3, the charge to disconnect the alarm, that is, pull out the charging port of theexhibition machine alarm.