Mainly used for general education, higher education and preschool professional projection equipment, through the teacher's operation and interaction, so that students through the projection of clear education equipment. For teaching, presentation, large-scale presentation and other display functions. Cost is an important factor in schools choosing projectors over monitors. The diffuse imaging principle of the projector is more eye-friendly, reducing the risk of eye fatigue and vision loss. Many high-end projectors also feature low-blue-light certification and smart screen features to further protect students' eyesight health.