It features fuzzy logic, 1x40 memories, and an automatic power off system. It features one-stop operation and an irregular heartbeat, low battery, and WHO hypertension classification indicator. It also has a date and time display and the LCD display shows 3 values in a single reading. It has 5 average modes and 4 medication alarms. 4 AA 1.5V alkaline batteries are included with optional AC adapter.