blood pressure monitor has been designed with unique features to bring better experience for measuring blood pressure at home. The bp monitor comes with Updated Algorithms & Built-in Smart Chip which ensures clinical accurate readings and brings you peace of mind. You can now easily measure your BP and track your BP records at home without having to check up with your doctor at his office every day. Size of LCD Screen: 3.4"Backlight: 3 Colors (Green/Yellow/Red)Cuff Length: 8.7-16.5 Audio Readings: YesUsers Supported: 2Records: 99 for each userAuto Off: YesWeight: 0.9 lb The bp monitor is total automatic. Once you press the "Start/Stop" button, the measuring starts and the cuff inflates and deflates on its own. You will get your blood pressure and heart rate readings in about 30 seconds. It automatically shuts off a few seconds after that. blood pressure machine is equipped with a super huge 3.4" LCD screen which shows the readings in extra large digits, easily readable. Most blood pressure monitors on the market has a single color bac