This set compromise the following items:
Ophthalmoscope.............................................................1
Otoscope...........................................................................1
Otoscope speculum(2.5mm,3mm,4mm,5mm)........4
Dilating nasal speculum................................................1
Laryngeal mirror stem....................................................1
Laryngeal mirror..............................................................2
tongue depressor plastic...............................................1
battery handle...................................................................1a
spare bulbs(2.5V/0.3A)...................................................5

Ophthalmoscope specs:
Illumination form: big spot, small spot, red free, central net, slit, half spot
Diopter compensation: 0 ±1 ±2 ±3 ±4 ±5 ±6 ±8 ±10 ±12 ±16 ±20 -25 (D)
Power supply: 1.5V×2 (LR14 bateries)
Bulb: 2.5V/0.3A