... port,DC12V power supply interface, 100MW Audio output interface, loudspeaker output inside7.Can support for 1-12 services,1-16 ... System9.English display available10.Installed Q-easy Queue Management System Software which developed by our own company,can provide ... be wire or wireless,and widely applied in Queuing System,Information System,popular in Banking,Restaurant,Hospital&Clinic,Gorverment and some ...