Which model of Omron blood pressure monitor is good?

Blood pressure monitors are one of the common medical devices in many homes and are also commonly used by people with high blood pressure. Omron blood pressure monitor is a well-known brand, so when choosing, which model is better? I recommend several cost-effective Omron blood pressure monitor models!

Omron (OMRON) electronic blood pressure monitor for home use HEM-7124, good quality, easy to use, suitable for home use. Accurate data, clear screen, with power cord, easy to operate.

Omron (OMRON) electronic blood pressure monitor home U30, easy to operate, clear display, suitable for the elderly daily measurement. Can be connected to the power supply or install batteries, easy to use.

Omron (OMRON) electronic blood pressure monitor U12, with recording function and monitoring heart rate function, suitable for the elderly at home. The numbers are clear and the archived data is easy to access, very convenient.