Line helper / Line helper

Our product can send certain thickness parallel light which given out by LED. With it, users are enabled to write neatly on a blank sheet of paper. Besides, USB power supply, our product is equipped with hand power generation function. At the bottom of the product, we also add a thin clip to prevent it moving on the paper in the process of writing. There are some openings at the turning of the clamps in case that the paper is too long, you don't have to get off; Finally, we also design a par to put the pen conveniently. (Modeled from China’s Great Wall).