Helmet Small Full Head 19 20 Hearing Aid 25 (open) 9 (closed) Suction and Aspiration Systems 25 (open) 9 (closed) Width between Grips: 19 Overall Height: 37 Overall Depth: 38 Our Coaxial Ophthalmoscope uses a Halogen HPX lamp that provides 30% more light output for true tissue color and consistent long lasting illumination * 28 lenses from 25 to +40 diopters for better resolution * The coaxial optical system produces a shadow free spot and easier entry into undilated pupils * The crossed linear polarizing filter reduces corneal reflection * The red free filter may be used with any aperture * It has 18 possible aperture combinations for greater versatility * Otoscope uses Halogen HPX lamp and fiber optics for cool light with no reflections no obstruction * It comes with a wide angle viewing lens for instrumentation under magnification * The Lithium Ion Handle is just half the weight of current 3 19 20 * A soft crown helmet that offers maximum protection to the front back and top of the head * Features black cowhide 1 2 foam rubber and white cowhide lining * Completely washable with mild soap and lukewarm water * Adjustable velcro chin strap *