ENT Diagnostic Set WG-I 56x34x32cm3/ctn, 20pcs/ctn, 17.5/ ... Aesthetic and endurable battery handle is equipped also.WG-I,II,IIB,Diopter compensation: ±1,±2,±3,± ... diameter varies,it still can be installed on otoscope easily.Axis of 3-times magnified glasses is ... better.Endurable and sound conductive battery handle.1.Ophthalmoscope2.Otoscope Carrier3 .Ear Specula (3,4,5,6mm ... "C"Type ENT Diagnostic Set WG-I