As everyone is getting older in my family, it was very important for us to purchase a blood pressure monitor. Especially, since the last blood pressure monitor we had was the old- fashioned one, it was the manual one. We had purchased the micolife's blood pressure monitor at Costco for less than $50. I'm not sure on the exact cost since it has been some time that we have had the monitor. Although, knowing we had purchased it at Costo; I think we havve saved ourselves some money than buying the monitor elsewhere. Within the box, it contains a medium and large cuff which fits arms 9.5"-16", 4 AA batteries, an AC adaptor, a deluxe storage case, an instruction booklet, a small booklet to keep track of your blood pressure readings, and the automatic blood pressure monitor. The microlife blood pressure monitor can detect irregular heartbeat during measurement and gives out a warning signal if someone was actually having an irregular heartbeat. It has an automatic storage of 99 readings with both the date and time. The display has a large font for easy viewing of the blood pressure reading. I would highly recommend this blood pressure monitor because it has a medical grade A/A Graded Stamp of approval on the box itself.