IRREGULAR HEARTBEAT DETECTOR: This wrist blood pressure monitor has undergone clinical testing and verification to ensure the accuracy of measurement readings. The professional blood pressure machine can detect irregular heartbeats/blood pressure/ heart beat at any time. DUAL USER MODE and 90*2 READINGS MEMORY: The wrist BP machine supports 2 users data storage, each user for 90 sets(total 180 readings )of data memory. With the built-in storage function, this blood pressure monitors allows you to recall the most recent 180 historical readings that record your health status, the best gift for mom and dad. EASY to MEASURE & FAST READING: The BP monitor has a large LCD backlight display to allow for most accurate readings in 35s. So this blood pressure kit can also read the readings clearly at night. The LCD screen shows you the systolic pressure/diastolic pressure/pulse rate, much clearer for you to read. The blood pressure cuff is a perfect gift to your parents. COMPACT and PORTABLE: Our digital blood pressure monitor includes a durable carrying case, complete blood pressure monitor kit, and it is small in size and takes up little space, very suitable for travel. PACKAGE CONTENT: 1* wrist blood pressure monitor, 1*storage case, 2*AAA batteries, 1*instruction manual. A great Christmas and New year gift for your parents, bring health home.