2.5v 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 2.5x viewing lens permits instrumentation Sealed system with included insufflator fitting for pneumatic otoscopy Otoscope head made from polymid - an impact resistant space age thermoplastic Welch Allyn disposable polypropylene ear specula in 2.5mm and 4.0mm sizes are convenient safe and economical AA metal battery handle interchanges with pocket Ophthalmoscope Complete instrument includes insufflator fitting and tube of 5 each 2.5mm and 4.0mm 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
