> The main control chip CMS32H3201 uses Cortex M0+ ultra-low power core (0.7uA for deep sleep), clocked at up to 64MHz

> Built-in 24-bit ADC, UART, SPI,  QSPI, I2C

> 32KB SRAM and 256KB Flash memory

> Software: UCOSII&QP

> Voice broadcast function

> Display mode: 2.8 inch color LCD monitor

> Pulse range: 40-240bpm

> Pressure range: 0-290mmHg

> Pressure resolution: 1mmHg

> Power supply: four AA alkaline batteries or 6V power adapt