Al-alloy outer cover,6 inch translucent back box, black opaque dome drive, integrated design In-Ceiling,indoor/outdoor pendant installation Accurate motor driving,stable operation , without dithering and noises, little heat release High reliability, internal data never lost when power is off RS-485 feed back the orientation of pan& tilt The Pan/tilt orientation displays and camera zoom displays With AC linear synchronous lock OSD menu, the function of camera and pan & tilt can be set. Powering on self-restoring style,users can assign the dome movement after powering on. Multi- automatic scan mode, the auto- scan speed can be set by build-in menu Functions of video freeze, wide dynamic range and backlight compensation Day & night camera can be set into single color or single black mode according to the circumstance's need Change speed proportionally--Pan/tilt speed and the depth of zoom lens decline proportionally Pattern track memory function, can record the preset transfer and all standard P/T/Z track 128 preset positions with precision error less than 0.05 degree, preset target speed: 250 degree/sec for pan, 200 degree/sec for tilt 8 preset tour functions, Dwell time can be set to 5sec-60sec by menu Variable automatic tour speed can be set to 1-40 degree/sec pan control speed 0.1-150 degree/sec, tilt control speed 0.1-100 degree/sec 360癱ontinuous pan rotation, with auto-flip function for tilt rotation Built-in 7 alarm inputs, 2 AUX output Embed in surge and lightning Meeting IP66 ,CE,FCC standards