pletely new high strength Aluminum Alloy housing, new designed black masking cover,high invisibility, excellent electrical machinery and leather belt available,high reliablity ,dusting with static electricity ,constant temprature circulation designing,IP66 protection standard ,intelligently turning speed,turning speed of 0.5degree/S-280degree/S horizontally and 0.5degree/S-180degree/S pitching,180degreeauto flip,360 degree continuous rotation, 128 preset points and 8 cruising tracks,each cruising track has 16 preset points ,privacy zone masking fuction,arbitrarily setting up zone masking , power-off memory,Built-in surge and lightning protection. 2. 1/4"sony EXview HAD CCD,440000 pixels ,480TVL,18xoptical zoom,12xdigital zoom,minimum illumination:0.001lux(high resolution,imported mechanism: SONY FCB-EX480CP)