How video can improve classroom instructions?

Video is an excellent tool that teachers can use in their classroom instructions. Students can see history as it happens.It expose them to information that they will never get in the regular classroom resources. Students retain the information  and they are more enthusiastic to learn. Video can reach the students who preferred learning style is visual. It can use to develop students understanding through examples and illustrations. Thus, enhancing the lesson.  It can also be used to  reinforce a lesson that was done by the teacher.