KaWe COMBILIGHT® E10/C10 Ophthalmoscope/Otoscope Basic Kit Features & Benefits: EUROLIGHT ophthalmoscope head E10 with correction lens wheel of stages +/- 20 diopters and six diaphragmsLarge examination field of the fundus of the eyesCOMBILIGHT C10 otoscope head features standard illumination with 2.5V vacuum bulb, three-times magnification and rotating lensSpecifications:Three reusable ear specula, one each 2.5mm, 3.5mm and 4.0mmIncludes chromium-plated nose speculum, spare 2.5V bulb and 2 laryngeal mirrors (sizes 3 and 4)Requires two C batteries (not included) or KaWe rechargeable batteryHard plastic caseColor: Silver (black accents)2-Year Limited Warranty Product Specifications BRANDKaWe MANUFACTURERS PART NUMBER20-816-000 LENGTH INCHES7-1/4 WIDTH INCHES1 HEIGHT INCHES1 WEIGHT LBS1.40 COLOR FINISHSilver CONSTRUCTIONPlastic, Steel DESCRIPTIONCombilight® Ophthalmoscope/Otoscope Basic Kit POWER SOURCE2 C Batteries (Not Included) VOLTAGE2.5V TYPEDiagnostic Instruments PACKAGE QUANTITY1 Set LIMITED WARRANTY2 Years MAGNIFICATION3X LAMPVacuum