10x optical zoom: Optical zoom is a true zoom lens that produces much better-quality images than digital zoom which performs in-camera image processing. IR remote controllable: Remotes with infrared light can be used to reliably control this camera. Pan tilt zoom: Pan-tilt-zoom (PTZ) type of cameras enable the user to control the movement and position of the lens. Panning refers to the lens horizontal movement while tilting describes its vertical movement. RS- 232: RS – 232 / VISCA to control the PTZ functions of the camera remotely.