8.5'' LCD writing Table of environmental protection Specification : 1.Stylus dock 2.writing surface 3.Erase button 4.Peplaceble 3V battery 5.lanyard hole 6.Lock button Develops your child's writing and drawing skills : The LCD screen of the writing board without radiation and without reflections, is safe and comfortable, when children use for a long time, it unleashes the imagination of children. A writing tablet can be deleted with a single button. Writing and drawing on an LCD tablet is like writing and drawing on paper. create lines of different thickness depending on how hard you push. How to use : 1.Pull out the pen. 2.Write on the writing area directly with the pen. 3.Press the remove button to erase the writing content. 4.How to replace the built-in battery? lessen the screw, pull out the battery pack to replace new battery. 5.In case of losing the pen, please use a lanyard to connect to the pen. Multipurpose use : teaching and learning drawing writing office work family messages