First of all, this safe laser pointer is mainly used in large classrooms, such as multi-functional classrooms in schools. Because the screen is relatively large and the distance between the platform and the students is relatively large, it is more convenient to use a laser pointer. After being interviewed by reporters, he suddenly found a traditional walking stick in the stands. Even teachers who want to "save time" will use this "antenna" that can freely control the length, just like their laser pointer "laser scanning" appears online. Now only schools and teachers buy them themselves, but the possibility of actual use is very small.
In the classroom, it is like an infinite arrow. No matter where you are in the classroom, you can easily point to the blackboard. This is definitely the teacher's best assistant. The traditional whip is easy to hit, the red whip can hit. A safe laser pointer, as the name suggests, can definitely guarantee safety. This kind of laser pointer is not standardized, so it is not a single device. An ordinary pointer in an ordinary classroom is enough, and there is no need to use such a Laser pointer. Usually, at the beginning of school, the school will buy some very large classrooms. Secondly, a safe laser pointer is a training tool. From a technical and safety point of view, it must be green and green. When it comes to products with the necessary technology, their strength is within the safety range stipulated by the state, and normal use will not cause harm to children.