... dome cameraFeature:1, 27X zoom camera, color to B/W , with IR-CUT switch, realize IR lamp control and zoom camera ... :1, Outdoor 6 inch high speed dome camera, Metal double cover.2, Use high quality components, high & minute subset into TV ... , Stable running, none dithering under any speed.4, Cover use high intension Aluminum material, with defend impact, shielding and heat dissipation functions, defend ...