Omron Women's Basal Body Temperature Electronic Thermometer (Oral use only [predictive & actual measurement]). Requires 2 AAA batteries (batteries not included). Used a few times, but in clean condition except for scratches on the side. Please check the photos for confirmation and purchase with your understanding. * Alcohol-sterilized * No box * No instruction manual, but it can be downloaded from the manufacturer's website: https://www.healthcare.omron.co.jp/support/download/manual/pdf/MC-440_m.pdf