BBriggs Healthcare Eurolight Otoscope is designed with fiber for utmost portability and durability. The Otoscope features 2. 5 volt illumination with dimming capabilities, allowing you to examine the ears of patients conveniently. 12. 8 Oz. 2. 5 Volt. Includes ten 2. 5mm and ten 4. 0mm disposable ear specula. Includes black zippered storage pouch to provide safe and convenient storage. Requires 2 C batteries (not included) or KaWe rechargeable battery andcharging station (not included). 7 -1/4 x 1 inch diameter. Briggs Healthcare Kawe Eurolight C10 Otoscope for portability and durability.