You are viewing the Interchange comversion power supply for the corded AO Monocular Indirect Ophthalmoscope. It consists of a new adjustable voltage power supply with its own switching mode which varies from 3 to 7 volts.
It also has a cord approximately 9 ft long and at the end of the cord is an Original Equipment plug which has been rebuilt and shrink wrapped. With your new power supply it will provide protection against a power surge therefore your MIO can't be electrically compromised.