Our Welch Allyn Enhanced Diagnostic Set includes our wide view PanOptic Ophthalmoscope head, a Coaxial Ophthalmoscope head, the Macro View Otoscope head and a Nickel Cadmium Rechargeable/Convertible Handle in a hard, zippered case. The Welch Allyn Nickel Cadmium Rechargeable/Convertible Handle is versatile, with an IEC plug type and feature to easily convert for use with standard C-cell alkaline batteries. The Welch Allyn Macro View Otoscope supports a bigger, better 2X larger field of view of the tympanic membrane with the widest focal range of any otoscope; built-in throat illuminator adds extra value.