The HoMedics white/black wrist automatic blood pressure monitor with one touch operation, looks after increases and decrease of appropriate blood pressure level. The Smart Measure technology ensures clinically proven accuracy in measurement. This automatic blood pressure monitor features risk category index that compares readings to defined levels established by the U. S. National Institutes of Health. It allows user to use jumbo digits for easy reading. The 120 memories let you measure or compare your previous reading. It display date and time stamp. It supports two users. Automatic wrist blood pressure monitor for clinically proven accurate results. Dimensions: 6. 2"H x 4. 4"W x 4"D. Comes in white/black color. Offers 120 memories per two users. Smart Measure Technology automatically inflates and deflates at the appropriate level. One-touch operation for easy use. Risk Category Index compares readings to defined levels established by the National Institutes of Health. Features date and time stamp. Memory averaging function. Include batteries and protective plastic storage case. Comes with 5 years warranty.