Coaxial Diagnostic Set w Lithium Ion Handle New Arrival color: yellow 149 color: yellow Material: ABS 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 5v Set * Reusable Polypropylene Diagnostic Otoscope Specula Set of Four (2 3 4 5 mm) * The Welch Allyn Warranty: Welch Allyn will repair or replace free of charge any parts of its own manufacture proven to be defective through causes other than misuse neglect damage in shipment or normal wear *