Tips Before Purchase Please confirm the compatible model and battery part number carefully before you purchase it. ProductSiteLaunchDate : 2020-01-07T05:53:09.306Z RecommendedUsesForProduct : Medical Equipment Reusability : Rechargeable SafetyDataSheetUrl : http://www.cameronsino.com/quality.aspx Style : SPO2+TEMP SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : transportation SupplierDeclaredDgHzRegulation2 : storage SupplierDeclaredDgHzRegulation3 : other UnitCount : 1 Voltage : 6.4 volts WarrantyDescription : 1 year Manufacturers Warranty