smart board for school price in india.Interactive whiteboards generally have the functions of saving handwriting, annotations, etc., and the teacher can play back every step of the class. The content of the whole class on the whiteboard together with the teacher's voice and all the information interacting with the student can be recorded into a video file, stored in the computer, and can be played back at any time. Compared with traditional classroom teaching, the first is to facilitate teachers to carry out individual teaching reflections; the second is to help carry out post-school teaching and research activities, and use the teaching resources stored in the classroom to make overall comments or segmented comments on the teaching process and effects; The third is to make distance learning possible. With the recorded video files, the teacher can share it in the online classroom. If a student misses a class due to physical reasons, he can learn online courses online at home.