Ri-mini Otoscope/Oftalmoscope HL 2.5V Fiberoptic Halogen Light. Riester Ri-mini® sets medical diagnostic aids in an pocket format. The high quality and reliable instruments in a handy size can be easily packed away and are to hand in a easily accessible, in hard plastic case with two sliding safety catches. Plastic tubes each with five reusable 2.5 mm and 4 mm ear specula. Battery handle type AA. Batteries not included. Available in Saffron, Blue, Slate Grey, Black, and Green colors. Packaging: 1/Each.