... never used eavesdropping. It is popular in the fields of business, education, security,media, legal, tourism , etc.New and ... high qualityFor a safely meaning like business negotiation and contract signingHigh quality monitor, protect personal privacy data ... format: JPGThe ratio of image: 4:3Supporting system: Windows me/ 2000/xp/2003/vista, Mac OS10.4(uncertainty,dependson the computer ...