Oregon Scientific BPW810BS Talking Wrist Blood Pressure Monitor with Alarm Clock Stand helps two users keep their blood pressure in check. It also reads mean arterial pressure as well as pulse rate. Each user receives 60 memory worth of readings plus date and time stamp. It also reads mean arterial pressure as well as pulse rate and compares the measurements to World Health Organization standards. A convenient alarm clock stand allows you to keep your blood pressure monitor stored next to your bed. The alarm clock can also remind you to take your blood pressure daily. 2 AAA batteries included.