... : 280°/ S T:100°/s); >China,Samsung Module Optional(Samsung Module Supports Images Automatic Flip Function); >Support IR wireless ... are FOUR modules for choice,below are the differences between them China10x Module:10x Optical Zoom,500TVLine;China10x Module:10x Optical ... Horizontal resolution500 TVLine S/N Ratio> 50dBLensFocusAUTOIrisAUTO/ManualZoomChina Module:10x Optical Zoom,500TVLinef=3.9-39mm,F1.8 ...