Pocket Halogen Light Otoscope and Ophthalmoscope Set 2.5V Endoscopy * Powerpress units effect Promotion of MSHQ 1594XL * Powerpress units effect Promotion of the blood circulation Layered noise reduction to reduce background noise 5v halogen light source for true tissue color and long lasting lamp performance * Pocket clip with integral on off slide switch for ambidextrous use * Lifetime Quality Performance Guarantee on optics * pocket otoscope features: * Fiberoptics for cool obstruction free light transmission * Wide angle removable 2 0mm specula * Pocket Ophthalmoscope features: 5 aperture selections (small aperture large aperture fixation aperture semicircle aperture and red free filter) * 17 lenses from 20 to +20 diopters for better resolution * Illuminated dial * Silicon coated protection of glass components * Built in lens dust cover * Rubber brow rest prevents scratching of eyeglasses * Ophthalmoscope head made from polymid an impact resistant space age thermoplastic * AA metal battery handle interchanges *