This 3.5v Pneumatic Otoscope set includes a rechargeable handle that is C-Cell Convertible and a reusable ear specula set. The Otoscope uses a Halogen HPX lamp for more light output for true tissue color and consistent, long-lasting illumination. Its rotating lens with ultra-seal allows for pneumatic otoscopy. Its fiber optic illumination produces cool light. It has a 10 Diopter lens, 2.5X magnification.