The E-scope® Ophthalmoscope has a "AA" battery handle. It has a Diopter disc with 18 corrective lenses; +/- 1, 2, 3, 4, 6, 8, 10, 15, and 20 diopters. It has an easy to use aperture wheel with six different apertures; fixation star, large circle, small circle, red free filter, blue filter, and semi circle.
The E-scope® Ophthalmoscope has optics that offer high performace, with an aspherical condenser lens. It has spectacle protection and a parallel optical path. It comes in a hard case for protection and storage of the instrument, and it is pocket-sized for great convenience. It is made in Germany and comes with a 2 year warranty.