... .Systerm: Internal SynchronizationWhiteBalance: Auto/Preset/Manual/Indoor/Fluorescent/OutdoorAutoIris LensDrive Model: Video/DC OptionalColorRollRepress: ON/OFF Lens:4-9mm vari-focal lensBacklightCompensation:ON /OFF ... ,BLC),White balance adjustable,2D-DNR etc. function, 4-9mm vari-focal lens, with bracketFeaturesNatural Environment True Color,High resolution , Soft Picture ,with ...