ADC Otoscope, 2.5V, Soft Case, Proscope 5211 2.5v lamp for bright illumination, Rheostatic on/off switch and Bayonet locking otoscope head Autoclavable, polypropylene ear specula in sizes 2.5mm, 3.5mm, and 4.5mm Knurled handle with a beautiful satin finish Powered by 2 C cell batteries (not included) Comes with zippered storage case that holds the otoscope and included speculum Reostatic battery handle