This is an Olympus clean power supply, isolation power supply, model MB-631. ・This is a used item, so please be aware if you are sensitive to such things. ・Power-on tested. ・No original box, 3-pin to 2-pin adapter included. ・Unless otherwise stated above, everything in the images is included. ・Please note that we are not currently considering price reductions. ・We cannot respond to questions after purchase.