Product features Aluminum-alloy dome cover,black opaque dome drive, 6inch transparent back box, Integrated design, compact structure, unique appearance full of attraction High reliability, internal data never lost when power is off Powering on self-restoring style-users can assign the dome movement after powering on. In-Ceiling,surface-mount,indoor/outdoor pendant installation Accurate motor driving,stable operation , without dithering and noise, little heat release 128 preset positions with accuracy error less than 0.1? Multi- automatic scan mode, programmable auto scan limit switch built-in quick menu function 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 Preset target speed: 200?/sec for pan, 100?/sec for tilt manual control speed: 0.1?~150?sec for pan, 0.1?~100?/sec for tilt 360?continuous pan rotation +2皛 -90?unobstructed tilt rotation, 180?auto flip Variable integrated camera for selection (by program switch) human design, can record the latest manual control speed Embed in surge and lightning protector. Meeting IP66 ,CE,FCC standards