Features: Original import chip and converter, characterized by high accuracy and long service life Intelligent simulation test process Rapidly measure systolic blood pressure, diastolic blood pressure and pulse Clearly visible large screen LCD digital display Automatic memory 90 groups measurement results Intelligent automatic shutdown function Can be queried sequentially each set of measurement results Specifications: Product size: 63*66*30 mm ( Wristband in not included) Wristband range: 135~195mm Pacakge size: 90*90*90mm Display: LCD digital display screen Measurement range: blood pressure 0~280mmHg pulse 40~199 times / min Compression method: automatic pressurizing pump Decompression methods: solenoid valve control pressure Measurement error: blood pressure + 3% heart rate + 5% Memory capacity: 60 sets of measurement data and time Pressure sensing: semiconductor pressure sensor Power supply: 2 Section 7 battery Measurement interval: 1mmHg Operating temperature and humidity: +10 ~+40 /40%~85%R.H. Preserve temperature and humidity: -20~ +50 /15%~90%R.H. Included: 1 x Wrist Blood Pressure Monitor