1.1/4' Sony HAD CCD 2.420tvl zoom camera 3.CE&Rohs authentication 4.very competitive ... housing 27X optical zoom camera Productphoto:Main Feature:1, 1/4" Sony 420TVL HAD CCD image sensor;2, ... , day & night,D/N infrared auto zoom camera.Technical Specification: ModelNZ-227NColorColor to B&WImage Sensor1/ ... H)mm private housing 27X optical zoom camera,auto zoom color ccd camera,BLC,AWB,RS485 control