Graham-Field's Complete Diagnostic Kit comes complete for evaluation of eyes, nose, and throat. The durable, ergonomic handle equipped with an LCD screen indicating brightness level and battery life is designed to fit all 6 devices. The LED Bulb's brightness is controlled with a dimmable rheostat.
Included

Otoscope head with 4 specula: 2.4mm, 3mm, 4mm, 5mm
Ophthalmoscope head with 5 different apertures
Metal Nasal Speculum 0-25 mm
Laryngeal Mirror with 20.33 mm replacement mirror
Tongue Depressor Holder with plastic depressors
Operating Otoscope with rotatable lens and 5 optional specula