The Welch Allyn 2.5v PocketScopeOtoscope with Throat Illuminator uses halogen light for true tissue color and consistent, long-lasting illumination. Its fiber optics provide cool light with no reflection, no obstruction. The wide-angle viewing lens allows instrumentation under magnification. It has a sealed system for pneumatic otoscopy and built-in throat illumination/penlight for added versatility. 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.
EXactly as described, works great!