EMP-HD40S  is an HDMI+USB video conferencing camera that is designed for video conferencing businesses with its horizontal resolution being 3.1MP. Its optical zoom can be 5x, 12x, 20x for preference. Its built-in high-speed PTZ enables us to see tiny or long distant objects clearly. This video conferencing camera has good architecture, refined aesthetic shape and a smooth feel. It operates smoothly without noise and has accurate location. It requires no maintenance due to its high reliability and long-term stability run. EMP-HD40 uses RS232/RS485 multi-protocol communication. This camera can be mounted on a desktop, plane surface or wall. Its application qualifies it for video conferencing, CCTV remote monitoring  FEATURESIt has 5x, 12x, 20x optical zoom for different room sizes. Video output: HDMI+USB(2.0)USB2.0:MJPG/H.264, Plug and play, HDMI easy connect the display and many brand terminals. VISCA and PELCO P/D protocolWall mounting, desktop or ceiling mounting9 presets by remote controller, 200 presets by a joystick controller