App: FM Health. Digital Automatic Upper Arm Style Blood Pressure Monitor Large LCD backlight display V.A.:60*64mm Max. 250 * 2 group memory & Guest Mode Bluetooth 4.0 Technology, Connect with iPhone or Android Smart Phone, Automatically transfer the data to your App and Apple Heath or Google Fit keep recording your blood pressure and heart beat rate record , so can easily share the information with your doctor 4th Generation MEMS pressure sensors, Oscillographic testing mode Irregular heart beat detection function, and Blood pressure classification WHO indicator Power: 4 X AAA batteries (not inclusive), or DC 5V 1A USB-A (not inclusive) Soft regular 22-32cm size cuff Approved by TGA with ARTG number is 211031, 1 Year Warranty disclaimers and safety warnings, “Always read the label and follow the directions for use”.