HD PTZ Video Conference Camera/AMC-A2001 Series are installed on the Netherland customer video conferencing system. 20X optical zoom witth the -30 degree to 90 degree tilt range and -170 degree to 170 degree pan range provides visual flexibility and control in any size conference room and event space. Higher precision and reliability means you'll see clear, charp video even as the camera is moving. No jitters or shutters. The pan/tilt speed can be customized. Camera is quiet as it pans, tilts and zoom.It is good used on the middle or big conference room.