... camera achieve zoom, with built-in full-speed PTZ, Suitable for large-scale, multi-angle surveillance and Continuous tracing target ... software platform, can realize different network environments of large-scale network surveillance. 3.Expand TypeBasic:SA6803L-S18-IR, ... Scan, Horizontal /Vertical rotation range angle can be set,scanning speed adjustable * Patrol: 4 groups, each patrol up to 16 presets ...