WA MacroView Otoscope Head w o Throat Illuminator Trapeze Unit Battery Capacity: 90mAh Oxygen Masks Battery Capacity: 90mAh (1850 to 1950 mm) 88 1 2 (2250 mm) Length of chassis (incl This instrument is a significant advance in hand held otoscopy providing an improved view for enhanced learning and decision making * A nearly complete view of the tympanic membrane with approximately twice the field of view and 30% greater magnification than a traditional otoscope * Better clarity and definition of landmarks * The ability to adjust focus for variable ear canal length or farsighted eyes Without Throat Illuminator * 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