... and electronic shutter, adjust for different surveillance environment Complete function: PTZ control,alarm,reset button etc... Provide web,CMS ... 6mm,2.8mm optional),Horizontal field of view:47°(6mm)Lens MountM12RotationLevel:270° ; Vertical:90°Day/NightElectronicHorizontal Resolution420TVLSync ModeInternal ... ×80Weight700g H.264 420TVL 1/4" CMOS Robot Wireless IP Camera,Robot CCTV camera,Wireless Camera