ECONOM® DIAGNOSTIC SET - Vacuum 2.7 V/XL 2.5 V - handle C - 2050 Econom® portable diagnostic set for ear, eye, nose and throat treatment (EENT). Includes: Uni® I otoscope head (31870), Uni® II ophthalmoscope head, expandable nasal speculum, illuminator with curved arm, 2 laryngeal mirrors No. 3 and 4, tongue depressor, spare bulb for otoscope (also for illuminator with curved arm). Supplied in a stylish protective hard case with slide-in safety latches. Uni® II May Ophthalmoscope with Durable ABS Plastic Head - Plug-in connector that can be quickly and securely attached to the handle - Focus wheel with corrective lenses from 0 to +20 or from 0 to -20 diopters - opening with wide circle for examination of the ocular fundus