Parameter:

Power: 1.5Vx2 (No.1 battery)

Diopter compensation: ±1±2±3±4±5±6±8±10±12±16±20-25

ENT Diagnostic Set 
1)Ophthalmoscope 
2) Otoscope Carrier, 1piece
3) Ear specula (3, 4, 5, 6mm diam), 4 pieces
4) Nasal speculum (8mm diam), 1piece

5) Dilating nasal speculum, 1piece

6) Laryngeal mirror stem, 1piece

7) Laryngeal mirrors, 3piece

8) Tongue Depressor plastic, 1piece

9) Battery handle, 1piece

10) Spare bulbs ( 2 large and 4 small), 6 pieces