• Box set includes all parts needed for 1 cashier/security window system• Inconspicuous units do not obscure faces of those approaching a ticket/customer window for added visibility and security• Flexible gooseneck microphone can be adjusted to virtually any position• Computer style headset can be used (not supplied by Aiphone)• Uses voice-actuated communication (VOX) system, requiring no additional operations during conversation• When the TALK switch is off, the operation unit is put on standby, but sound from public side is still heard at reduced volume• By linking the system to a motion sensor, communication mode is automatically activated when a customer is present