Easy wrap ComFit cuff: Our cuff inflates around your entire arm helping to ensure the brachial artery is compressed for an accurate reading. Two user mode: Allows two users to track their readings. Advanced averaging: Exclusive technology automatically displays the average of up to the last 3 readings taken within the last 10 minutes. TruRead: Automatically takes 3 consecutive readings at intervals you can customize (15 seconds, 30 seconds, 60 seconds, or the optimal 2 minute rest period between readings) and displays the average. Extra large digits with backlight: For easier to read results. Irregular heartbeat symbol: Alerts you to the number (up to 3) of irregular heartbeats while your blood pressure is being measured. 200 memory storage: 100 memory storage with Advanced Averaging, for 2 users (200 readings total). Date and time stamp makes it easy to review the last 100 readings with the touch of a button. High symbol: Easy to read symbol appears if your systolic blood pressure is 130 mmHg or above and/or your diastolic blood pressure is 80 mmHg or above. AC adapter: Plugs into your wall so the monitor is ready whenever you are. 5 year limited warranty. Contains: 1 digital automatic blood pressure monitor, 1 easy wrap ComFit cuff (fits arms 9″ to 17″, 22 cm to 42 cm in circumference), 1 illustrated instruction manual, 1 quick start guide, 1 AC adapter, 4 AA batteries.