Aiphone GT-1M3 Video Tenant Station with 3.5" Display; Digital PTZ while Communicating with Entrance Station; Light and Saturation Adjustments; Hands-free or Push-to-talk; Call Tone Volume Control The GT-1M3 is an audio/video tenant station for the GT Series Multi-Tenant Video Intercom system. It is equipped with door release and talk buttons. In addition, the station has a concierge/security guard call button and an option button to control external devices, such as lights. The unit also has zoom and a light adjustment button for the camera at the entry. When a visitor calls, the tenant station rings and video is displayed on screen. The call is answered by pushing the talk button.Communication is hands-free at the entrance station when a tenant answers the call. While speaking with the visitor, the GT-1M3 can communicate with either hands-free (VOX) or push-totalk (PTT) functionality Key Features: - 3.5" LCD monitor - Hands-free audio communication - Door release button - Talk button - Concierge/Security guard call button - Option button for external devices - Zoom and brightness control - Call tone volume control - Communication volume control Specifications: - Power Source: 24V DC - Communication: Hands-free or Push-to-talk - Screen: 3.5 inch TFT LCD - Mounting: Surface wall mount - Dimensions (HxWxD): 7.06 x 4.93 x 1 inches - Weight: 0.67 pounds