Because there is no need for a separate stylus, you can experience a more intuitive interaction using only your finger. When you touch it, it is possible to express your writing or drawing crisp & clean without shaking using 'no ghosting'. The 84WT70PS UHD touch display becomes the focus of attention in any space with it's Ultra-HD support. It is especially suitable for interactive communication locations such as medium to large classrooms, conference rooms, museums, shopping malls, & information desks.