Comes with all the paperwork and the following. I just havent ordered them.It does work with the power adapter also. The item "WELCH ALLYN SURESIGHT 140 SERIES PORTABLE EYE VISION SCREENER WORKING" is in sale since Saturday, January 13, 2018. This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Medical Specialties\Ophthalmology & Optometry\Other Ophth & Optometry". The seller is "mindmccos_0" and is located in Lake Charles, Louisiana. This item can be shipped worldwide.