Using oscillometric blood pressure measurement, accurately measure blood pressure 100% brand new and high quality! Intelligent pressurize, live non voice (optional), serial port (optional) Power voltage detection, low power consumption LCD digital display, readable Product Description is a registered legal trademark. Only authorized sellers of have the right to sell the products. will take you to a wonderful shopping paradise. Name: Blood Pressure Monitor Color: White Material: Plastic Model Number: krf042559 Item Type: Blood Pressure Application: Wrist Product Size: 7173 32mm (wristband not included) Wristband range: 135~195mm Display: LCD digital display screen Measuring range: Blood pressure 0~280mmHg Pulse 40~199 times/min Capacity of memory: 90 sets of measurement and time data Reduce passage: solenoid valve control pressure Measurement interval: 1mmHg Intelligent pressure WHO warning message function Double mode, each of the 90 sets of memory measurements the function of