23820 3.5V Macroview Otoscope w/ specula. 71900 3.5V Lithium Ion Rechargeable Handle w/ charger. Welch Allyn zippered soft pouch. 71900 3.5V Lithium Ion Rechargeable Handle. Half the weight of traditional 3.5V handles.Made of sturdy CYCOLOY engineering resin. Retractable AC prongs on charging module. Fits all Welch Allyn 3.5V instrument heads. The item "Welch Allyn 3.5V Diagnostic Set Lithium Handle Macroview 23820 & Ophthalmoscope" is in sale since Friday, April 06, 2018. This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Medical Instruments\Exam & Diagnostic\Otoscopes". The seller is "picosas" and is located in Stanardsville, Virginia. This item can be shipped worldwide.