Welch Allyn 3.5V Elite Desk Set with NICAD Handles. 3.5V Coaxial Ophthalmoscope: • Unique coaxial ophthalmoscope allows easy entry into the eye and shodow-free viewing of the retina • Halogen HPX bulb gives 30% more light than hologen for truer tissue colour • Six apertures: small, medium and large spot, target, slit and cobalt blue • Dioptre range: +40 to -25 • Dust-free optics. 3.5V Diagnostic Otoscope: • Fibre optics produce cool light with no reflections and no obstructions • Wide-angle viewing makes instrumentation under magnification possible • Sealed system allows for pneumatic otoscopy • Throat illuminator. Supplied with 2x NICAD, rechargeable handles in a charger.