ECONOM® DIAGNOSTIC SET - Vacuum 2.7 V/XL 2.5 V - C handle - 2050 Econom® portable diagnostic set for ear, eye, nose and throat (EENT) treatment. Includes: Uni® I otoscope head (31870), Uni® II ophthalmoscope head, expandable nasal speculum, curved arm illuminator, 2 laryngeal mirrors No. 3 and 4, tongue depressor, spare otoscope bulb (also for curved arm illuminator). Supplied in an elegant protective hard case with sliding safety catches. Uni® II ophthalmoscope with durable ABS plastic head - quick and secure plug-in connector for easy attachment to the handle - focusing wheel with corrective lenses from 0 to +20 or 0 to -20 diopters - large circle aperture for fundus examination