Whether you ' re working on detailed drawings, tracing designs, or inspecting intricate patterns, the light table creates a comfortable and well lit work space that supports long hours of use without fatigue light board is equipped with high-efficiency, none flicker LED lights that provide consistent and even brightness across the entire surfaces it ensures a Clearly view that reduces glare and minimizes eye strain Short Press the Physical Button to adjust the 6 brightness levels OR Long Press the Button to adjust the brightness Stepless Memory function will let the led drawing board automatically turn on the brightness you used last time Physical buttons on the side can effectively accidental turning ON / OFF the tracing light box during use Light pad with 6 strong, Magnets are installed inside the light box for tracing and drawing, using magnets to hold tracing paper and paintings canvas in place, helping to freely your hands to concentrate on your creations