Cherry CH-5100 voice tracking camera is a robot cameraman which is perfect for education, conference or medical treatment. It is a digital 4 Microphone Array to get 10 meters far-field voice pick up. Its amazing Fixed Focus / 10x optical zoom to restore real pictures with awesome quality. Easy to use with its USB 2.0 plug and play. AEC and ANC which achieve HD video communication tone. Its smart,, convenient and easy to go. Super silence features which enable you for pan/tilt/zoom functions to make you uninterrupted while using it.