The Welch Allyn 3.5v Diagnostic Set with Ophthalmoscope, Diagnostic Otoscope/Throat Illuminator, Rechargeable Handle, and Soft Case (Model 97101 ) is an excellent choice for performing basic physical diagnosis. The otoscope features our exclusive Halogen HPX lamp, providing 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 Standard Ophthalmoscope (Head Only)3.5v Halogen Lamp3.5v Diagnostic Otoscope/Throat Illuminator without Specula (Head Only)3.5v Halogen Lamp3.5v Direct Plug-in Rechargeable HandleReplacement NiCad Rechargeable Battery (Orange) for 71000-ASoft 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