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measurement results is very dangerous;
(2) Precautions:
Do not repair, disassemble or modify the Electronic Blood
Pressure Monitor without permission;
Do not collide or drop the host to avoid collision or strong
impact on the device;
Do not mix old and new batteries of different brands for use.
Indoor temperature, environment, noise, user's body position,
speech or exercise might affect the blood pressure measurements. The
body movement, magnetic field and improper wearing of cuff and
sensor will affect the measurement as well.