This is a 9-in-1 multi-care set. It can be used for heel callus care and face care ♡ It runs on 2 AA alkaline batteries (sold separately). Operation has been confirmed. ■ Product Condition Purchase date: 2017 Included items: 9 types of attachments, a dedicated case, and a user's guide. (Warranty is not included. Please understand.) Thank you!(^^)♡