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Nowadays,with the growth of the population.So there is a portable environmental protection chess board specially designed for the old who are fond of playing Chinese chess.It is a portable suitcase,the solar panels provide energy for it.It converts solar energy into electrical energy so that light is not a problem for night players.The function of flashlight is contained in the side of the suitcase providing light for night travel.The board surface use the toughened glass good transmission.Not only can protect the light which is under it,but weaken the damage of direct light to eyes.