pH3.91/pH4.81/pH6.25/pH5/pH4 Outdoor Rgbr Rental LED Display for Commercial ShenZhen Visual Photoelectricity Co., Ltd. Base Info Description Pre:Superthin 500mm*1000mm pH3.91 pH4.81indoor LED Display Next:pH3.91/pH4/pH4.81/pH6.25 Indoor Rental Die-Casting Aluminum LED Display Screen