Well at Walgreens Walgreens pharmacist recommended* Take accurate blood pressure and pulse readings with simple one-touch operation. This monitor features advanced technology to automatically inflate and deflate at the appropriate level, delivering a personalized, accurate and comfortable measurement. Risk category index compares reading to defined levels established by the U.S. National Institutes of Health. 10+ Features Extra Large Display One Size UltraSoftCuff, Fits Most Arms AC Adapter Included 120 Total Memories 2 Users Memory Averaging function Easy One-Touch Operation Irregular hearbeatdetector Risk Category Index Date time stamp Due to continuous product improvements, the picture on the package may differ slightly from the actual product. Contains: Blood pressure monitor One size ultra soft cuff AC adapter Instruction manual;