Instantaneous measurement - Two users with 60 memories each, for a total of 100 memories - Large LCD display - Indicator irregular heartbeat - 5 read average values per hour, day, week, month and overall - LED 4 colors (green, blue , purple, red) for indication hypertension second WHO (World Health Organization) - Pressure Range 80-280 - 40-195 pulse interval - Arm Sleeve for 22-34cm diameter. - 4 AA 1.5V batteries included