KaWe EUROLIGHT?« E10/C10 Ophthalmoscope/Otoscope Combination Kit Features & Benefits: EUROLIGHT ophthalmoscope head E10 and EUROLIGHT C10 otoscope head with interchangeable handle Ophthalmoscope head has correction lens wheel of stages +/- 20 diopters and 1 diaphragm Otoscope features standard vacuum bulb illumination, 3x magnification and rotating lensMatching zippered bag Specifications:20 disposable ear specula, 10 each 2.5mm and 4.0mmRequires 2 C batteries (not included) or KaWe rechargeable battery Color: Silver (black accents) Product Specifications BRANDKaWe MANUFACTURERS PART NUMBER20-864-000 LENGTH INCHES7-1/4 WIDTH INCHES1 HEIGHT INCHES1 WEIGHT LBS0.95 COLOR FINISHSilver CONSTRUCTIONPlastic, Steel DESCRIPTIONEurolight?« Ophthalmoscope/Otoscope Combination Kit POWER SOURCE2 C Batteries (Not Included) VOLTAGE2.5V TYPEDiagnostic Instruments PACKAGE QUANTITY1 LIMITED WARRANTY2 Years MAGNIFICATION3X LAMPVacuum