DESC: The SNC-RX550N PTZ camera features a 360-degree "endless" pan and can tilt from 0 to 90 degrees. The full-range pointing capabilities can be masked to create privacy zones with spherical (3-dimentional) tracing. The high quality lens has a broad magnification range from a focal length of 3.5 mm to 91 mm. The ¼-inch Exwave HAD CCD operates on a minimum of 1.0 lux in color, 0.15 lux for B/W.