... 3.size:20'' 4.type:all in one 20" all in one pc with SAW Technical Parameters Touch screen (standard) ... stability.2. Own mold, the level of technology in line with international standards; use of ergonomic and aesthetic ... screen can be randomly adjusted in the range of 15°-90°.4. Widely used in government, financial institution, transportation, ... , catering industry and so on. 20" all in one pc with SAW