The Welch Allyn Diagnostic Set with AutoStep Sealed Ophthalmoscope, Operating Otoscope, Convertible Handle, and Hard Case (Model 97370-C) makes peforming a physical diagnosis easier. Welch Allyn's medical diagnostic instruments featuring our exclusive Halogen HPX lamps that provide brighter, whiter light than standard halogen lamps for true tissue color and long-lasting illumination. Built for durability, ease-of-use and comfort, these instruments will provide you with lasting satisfaction.Key Components:3.5v AutoStep Coaxial Ophthalmoscope Head Only3.5v Halogen Lamp3.5v Operating Otoscope without Specula (Head Only)3.5v Halogen LampReusable Polypropylene Pneumatic, Operating, and Consulting Otoscope Specula, Set of Five3.5v Convertible Rechargeable HandleReplacement NiCad Rechargeable Battery (Orange) for 71000-AHard Case for 3.5v SetWarranty:Welch Allyn will repair or replace, free of charge, any parts of its own manufacture proven to be defective through causes other than misuse, neglect, damage in shipment, or normal wear.