Wrist style easy-to-read LCD display. Automatic inflation electronically controlled deflation. Know your blood pressure with the push of a button. Compact design fits over your wrist like a watch. Easy to use wrist style eliminates pumping. Stores 60 readings to monitor your health over time. - 1.5" LCD displaying for easy reading - 60 groups memory function - Average calculating for the latest 3 times measurement value - Blood pressure classification indicator - Automatically inflate - Powered by 2*AAA batteries (not included) - Automatic power-off function - Measuring range: pressure OmmHg to 299mmHg Pulse 40 to 180 times min - Measuring accuracy: Pressure + - 3mmHg Pulse + - 5 percentage of reading - Band length: 31cm - Comes with English user manual