Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : GMAOLIHAIKA BulletPoint : YSI YAP252 Calcium Hardness Replacement Reagent Photometer Test Kit, 0 to 500 (CaCO3) Range (Pack of 250 tests) BulletPoint1 : Part Number: RFK-920 BulletPoint2 : Application: For Keratometry BulletPoint3 : User-Friendly Features - with a compact structure for easier use in any situation. BulletPoint4 : Portable Convenience - Comes with a carry case for storage and transport, making it simple to use anywhere. BulletPoint5 : Protective Transparency - test head features a transparent cover to measuring part from damage. ExternallyAssignedProductIdentifier : 9344448551283 ExternallyAssignedProductIdentifier1 : 793950470114 ExternallyAssignedProductIdentifier2 : 0793950470114 ExternallyAssignedProductIdentifier3 : 00793950470114 ItemName : 7" Auto Refractor Keratometer Optical Refractometer with Keratometry ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 21 centimeters ItemPackageDimensions_Width : 9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-refractometers Manufacturer : GMAOLIHAIKA ModelNumber : FUZHUIr9ci85zgu2 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : RFK-920 ProductDescription : Part Number: RFK-920 Application: For Keratometry ProductSiteLaunchDate : 2024-09-20T01:52:49.073Z SupplierDeclaredDgHzRegulation : unknown UnitCount : 1 UnspscCode : 41120000