Specification AgeRangeDescription : Adult AspectRatio : 16:9 Brand : Graham-Field BulletPoint1 : SNELLEN EYE CHART: Widely used to measure visual acuity by determining the clarity of detailed distance vision that a person can discriminate. Test your level with easy to distinguish objects such as shapes and symbols. BulletPoint2 : PROFESSIONAL QUALITY: With complete configuration, the vision activity instrument is more scientific ideal for use with patients who are illiterate or not familiar with the Roman alphabet or cannot speak, students, optometrists, offices, & schools. BulletPoint3 : PREMIUM LIGHTWEIGHT PRODUCT MATERIAL: The user-friendly eye chart is made of durable plastic with matte finish to avoid reflective and glaring effect. BulletPoint4 : ACCURATE MEASUREMENT: The 22-inch by 11-inch eye chart can be used with Illuminated Eye Test Cabinet or wall-mounted with required 20 feet away from viewer for vision testing. Proudly made in the United States. BulletPoint5 : BRAND TRUST: From bandages to sundry jars and everything in between, Grafco products offer healthcare facilities a single source for all their medical-surgical product needs. BulletPoint6 : [Warm Tips] Regarding program settings: Our default program settings that cannot be changed are as follows: 20/400, 20/200, 20/167, 20/133, 20/100, 20/80, 20/67, 20/50, 20/40, 20/33, 20/28, 20/25, 20/22, 20/20, 20/17, 20/13, 20/10. Apart from the above mentioned, we are currently unable to implement other custom program settings. BulletPoint7 : [Worry-free service] For non-consumable and non human damaged accessories, we will resend a new one for customers to replace. Color : Black ConnectivityTechnology : Cellular ControlMethod : remote CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 717076043199 ExternallyAssignedProductIdentifier2 : 0717076043199 ExternallyAssignedProductIdentifier3 : 00717076043199 FdaDeviceClassification : iv FdaIndicationOfUse : otc FdaInstructionsForUseType : consumer FdaLabelType : consumer HasColorScreen : 1 IncludedComponents : Remote Control IsElectric : 1 ItemName : Grafco Kindergarten Plastic Eye Chart, 20' Distance, Snellen Visual Acuity Exam for Medical Use, 1243 ItemPackageDimensions_Height : 41.1988 centimeters ItemPackageDimensions_Length : 17.907 centimeters ItemPackageDimensions_Width : 26.6954 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : therapeutic-eye-charts Manufacturer : GF Health Products, Inc. Material : Plastic ModelNumber : 1243 MountingType : wall mount or flat seat NativeResolution : 1280x1024 NumberOfBoxes : 1 NumberOfItems : 1 Orientation : Landscape PackageLevel : unit PaintType : Watercolor PartNumber : 1243 PixelPitch : 0.294 ProductDescription : Huanyu Visual Acuity Chart ProductExpirationType : Does Not Expire ProductSiteLaunchDate : 2005-05-08T00:00:00-00:00 RealAngleOfView : 160 degrees RecommendedUsesForProduct : Indoor Resolution : FHD 1080p ResponseTime : 5 milliseconds RoomType : Office ScreenSurfaceDescription : Glossy Size : 20’ distance SpecificUsesForProduct : optometry, vision testing, or eye examinations Style : Kindergarten SupplierDeclaredDgHzRegulation : not_applicable TargetGender : unisex Theme : Alphabet UnitCount : 1 Voltage : 240 volts WallArtForm : wall_hanging_decor WarrantyType : 1 Year Manufacturer Warranty