Full Featured pocket otoscope and ophthalmoscope that sacrifice nothing but size. Pocket Otoscope features a 2.5v halogen light source for true tissue color. Fiberoptics for cool obstruction free light transmission. Wide angle, removeable 2.5x viewing lens permits instrumentation. Otoscope head made from polymid, an impact resistant thermoplastic. Includes 5 each of the Welch Allyn disposable polypropylene ear specula in 2.75mm and 4.25mm. "AA" metal battery handle interchanges with