Our iMounTEK A3 Copy Board, due to the utilizing of optical glass, bestows its hardness, high light transparency, long lifespan and durableness. 0.5mm Thickness and 2.048lbs weight enable you to carry it everywhere and every day. Touch the button and adjust the brightness of copy board screen as your requirements. Dual sides of invisible LED light outcoming protect our eyes. A good helper for drawing beginner.