The UA-853ACP auto inflation monitor incorporates the latest technology for accurate measurements from home. This sleek monitor with contemporary design sits upright and allows for easy-to-read display with large numbers. This monitor offers our new AM/PM Time Wise tracking technology, plus Pressure rating indicator, and Irregular Heartbeat Detection, three programmable alarms, 90 memory, time and date features. AC adapter is included. This special pack will not be found at retail. We added an extra cuff, so his unit includes both a medium and a large cuff. We also added 4 AA batteries to this special package so you are ready to go at home or on the road The medium cuff fits arms from 9.4" to 14.2" and the large cuff fits arms from 14.2 " to 17.7 " It is important to use the correct cuff size for accurate results. An instruction manual is included, along with a Lifetime warranty card. For questions about the monitor, please call the LifeSource customer service department at 1-888-726- 9966.