Product Code: wh05As the standard types: graphics, as markCheck the distance: 5mCheck the range: from 4.0 to 5.3Sight record: five records, decimals records, scores recordedVisual light box Size: 846 * 283 * 18 mm  Product Code:WH05 indoor hanging-type (5m): hanging, with a direction stick.

Children's graphic vision chart light box