This sale is of a David White Stereo Realist stereo viewer that is of the plug in variety. Everything functions - the rheostat that controls brightness works, the light(and bulb) works, the focus works and the oculars work. The cord and plug are old but undamaged. There are no chips or cracks visible in the Bakelite body or plastic parts of the viewer. The unit has never been lubricated and it has never seen a complete cleaning. When polished and lubed it will look almost new and function as new. Insured U.P.S. shipping to the continental U.S.A. is included with the price of this item. Overseas shipping and insurance via U.S.P.S. is on a case by case basis but will be reasonable none-the-less. Do ask before committing to purchase in order to avoid surprises here. I will take personal check or money order only in payment with time for funds to clear my bank before shipping. U.S.P.S. money orders will see their item shipped on the next business day after receipt of payment. There are no returns unless there are major errors in description. No returns without insurance. Do ask all the questions that you have. I am no photography expert but I am responsive. E-mails sent on receipt of payment, clearing of funds and shipping with tracking #.