Certified accuracy +/- 3 mmHg

3M Littmann Cardiology IV stethoscope offers you convenience with their tunable technology in the diaphragm on each of the larger and smaller sides

Interchangeable/removable probe well for easy cleaning

Long flexible neck allows you to position magnifier or flashlight wherever you need

ADC Diagnostix Pocket Otoscope & Opthalmoscope Set SF25 Certified accuracy +/- 3 mmHgCompact portability for on the go use. The Pocket Otoscope offers fiber optics for cool, obstruction free light transmission and wide angle swivel 3X viewing lens for instrumentation. The Ophthalmoscope offers five aperture selections, as well as nineteen viewing lenses from 20 to +20 diopters for better resolution. Fits Welch Allyn specula. 2 year instrument manufacturer warranty and lifetime manufacturer warranty on optics and LED lamp. Each