Both units have been tested and are working. Both have 26mm barrel sizes. They have been stored at home for about two years, although they haven't been used for long. Nobby (NB261) The cord is very long, as it's for professional use in salons, etc. STYLEUP (TH126) It's compact, so it's convenient for travel. Please understand that these are used items and make your decision based on a careful review of the images.