... first private housing 27X optical zoom camera Productphoto:Main Feature:1, 1/4" Sony 420TVL HAD CCD image sensor;2, Built-In ... ,Type including ordinary, day & night,D/N infrared auto zoom camera.Technical Specification: ModelNZ-227NColorColor to B&WImage Sensor1/4”Sony HAD CCD ... (W) x 60(H)mm private housing 27X optical zoom camera,auto zoom color ccd camera,BLC,AWB,RS485 control