Protect your data from 'shoulder surfers' when working in public places, open plan offices, & other busy areas. Using the latest micro-louver technology the screen restricts viewing to a 60° zone (30° either-side of center), preventing unauthorized viewing unless directly in front of the screen. Ideal for education/e Exams, the use of privacy filters is supported by JCQ (Joint Council of Qualifications), on behalf of major examining bodies including AQA, City & Guilds, Edexcel, OCR, CEA & the WJEC.