... ,solid durable . 2.easy to write and wipe off Detail:LED writing board 1.Tempered glass panel & aluminum frame , anti-scratch ,solid ... of one month of continuous light only about 2 degree4.Advertising for resturant, pub,club,nightclub,cafe,hotel,super market, ... supermarkets and retail shops and so on2.children's drawing board, briliant colors can stimilate their creativity . led writing board