Set Contains:
Model 11720 – 3.5V Coaxial Ophthalmoscope (Head only)

Multiple aperture/filter options provide long-lasting, reliable performance for general and specialist examinations.
6 Apertures and Red-free, Cobalt Blue, and Polarizer Filters
Detect corneal abrasions with cobalt blue filter
Coaxial optical system produces shadow-free spot viewing
Polarizing filter virtually eliminates corneal reflection
Model 23820 – 3.5V MacroView Otoscope with Throat Illuminator (Head only)

The MacroView Otoscope delivers almost twice the field of view at higher magnification compared to standard otoscopes, making it easier to visualize the auditory canal and tympanic membrane. This instrument is a significant advance in hand-held otoscopy, providing an improved view for enhanced learning and decision making.
Model 71000-C 3.5V can be converted to use C cell batteries

Rechargeable/Convertable handle, with chrome-plated brass knurled finish is plugged directly into wall
Univeral Handle accepts all Welch Allyn 3.5V heads