Rapoo C1620: Features a 2.07 million pixel Panasonic CMOS sensor for 1080P HD image quality. Supports AF autofocus with 20x optical zoom and 16x digital zoom. Offers dual stream output and two power supply options (USB interface or built-in). Includes adaptive white balance, intelligent noise reduction, and compatibility with various system platforms and video conferencing software. Allows horizontal 340° and vertical 120° pan/tilt rotation with support for up to 255 preset positions.