Upper arm type automatic blood pressure monitor. Equipped with MEMS pressure sensor Detection of arrhythmias. 4-person storage up to 120 reads per person with the latest records Medium. Arm circumference: 22 cm - 36 cm. Date and time function. Measuring range: systolic pressure 50 mm Hg - 250 mm Hg Diastolic pressure 30 mm Hg - 200 mm Hg. Pulse 40 beats per minute - 180 beats per minute. Automatic shutdown. Error signal. LCD screen 6 cm × 7 cm. Battery Operated 4 1.5 AAA Volt