a)         Concise and clear display for a quick check; also help promote the correct position
b)         Holographic record: completely record pulse wave, ensure the accuracy and effectiveness of measurement
c)         High precision up to 3mmHg, achieve more accurate analysis
d)         Automatic supplementary survey: the recorder would conduct a supplementary survey after 2 minutes if measuring failed, ensuring the integrity of monitoring data
e)         Safety protection: protected by software and hardware, make sure secure measuring