compact structure, aggregated with pan& tilt, switch controller, shield and Variable high resolution camera for RS-485 feed back the pan& tilt Pan& tilt orientation display, camera zoom display, inside dome temperature display Built-in function menu, the camera, pan& tilt function can be set With AC linear synchronous lock 128 preset positions with precision error less than 0.1? Alterable auto tour speed can be set to 1?40?sec Preset target speed: 150?sec for pan, 80 ?/sec for tilt Manual control speed:pan speed: 0.1?~100?/sec, tilt speed: 0.1?~80?/sec 360?continuous pan rotation,auto flip function for tilt rotation Change speed proportionally--Pan/tilt speed and the depth of zoom lens decline proportionally 8 preset tour functions, dwell time can be set Powering on self-restoring style,users can assign the movement after powering on. Quick and convenient electric connection, Embed in surge and lightning protector. Meeting IP66 ,CE,FCC standards