16X, 18X, 22X, 23X, 26X, 27X, zoom camera option Integrated high-speed pan/tilt, pan rotation range: 360 degrees, pan speed: 0.4 to 320-degree/second Tilt rotation: 90 degrees with speed: 0.4 to 130-degree/second 128 preset positions Communication: RS-485 Privacy: zone masking function 4 alarm input and 1 alarm output Built-in cooling fan Auto temperature control Manifold auto scan function Patrol learn function stores and reproduces manual operations PELCO P/D, auto identify Baud rate: 2400, 4800, 9600 English menu display Working temperature: -40 to +60 degrees Celsius