Clip this halogen otoscope to your physician's coat and you are ready to diagnose ear or nasal problems. Choose this fiber optic otoscope with halogen bulb for professional ear and nasal exams. The halogen light beam is superior for illumination of ear canals or nasal passages for ear examinations and nasal examinations. This Ri-Star professional otoscope is a slate grey Riester Ri-Mini otoscope that is imported from Germany. Use this 2.5 Volt halogren otoscope with ear speculum or nasal specula to conduct medical exams. No instruction manual is included.