VIVOTEK SD8111 12x IP PTZ WDR Network Security Camera is built with a 12x optical zoom lens, making for a higher performance day/night PTZ dome network cameras geared for most professional surveillance applications. VIVOTEK SD8111 12x IP PTZ optical zoom lens and SONY's EXView CCD sensor, makes this network camera not only close-up images with crisp detail over longer distances, but also crystal-clear, sharp video of fast-moving objects without jagged edges. The user can control the lens position with a mouse or a joystick to track the objects of interest and presets up to 128 preset positions for patrolling with a professional grade pan/tilt mechanism, it provides quick, precise movement with endless 360-degree pan and 90-degree tilt. VIVOTEK SD8111 PTZ Dome surveillance camera has a Triple Codec with the Real-time H.264, MPEG-4 and MJPEG Compression. The new 2D and 3D noise reduction technology, environmental noise is removed to provide a more clear night time video image and the camera automatically switches from color to black and white, when the lighting changes. Additional advanced features, including 3GPP mobile surveillance, two-way audio, and digital I/O for external sensors & alarms, make the VIVOTEK SD8111 a full-featured speed dome.