ĐÈN SOI TAI PIN TRUNG Ri-Scope Riester

Riester UNI I Otoscope with Pin Contact Model R-3185

Riester e-Scope LED Diagnostic Set Black

The Riester e-scope® Otoscope with Fiber Optic 3.7V LED 

Riester Ri-Mini Otoscope Ophthalmoscope 2.5v 

Riester ri-scope L3 Diagnostic Set 3.5 Volts

Riester L2 Diagnostic Set - 3.5v

Riester Ri-Mini F.O. Otoscope/Ophthalmoscope HL 2.5 V 

Riester L1 Rechargeable Desk Set