Digital Automatic Upper Arm Blood Pressure Monitor Tester Heart Rate Machine With Voice Function Product Information Large LCD screen, clear automatic digital reading, measurement results are clear at a glance, not afraid of being unclear; With voice broadcast function; Easily measure blood pressure with one button, no complicated buttons, no need to adjust, and you can measure it without understanding; Sensing technology can capture every subtle blood pressure fluctuation, automatically adjust the pressurized pressure, and shorten the measurement time; Specifications: Parameters:automatic digital voice function English version. measurement position: arm. Material:ABS Package Includes: 1 x Blood Pressure Monitor(not include batteries) Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)