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:
Model: CK-102S
Display: LCD digital display screen
Measurement range: blood pressure 0~280mmHg pulse 40~200 times / min
Measurement error: blood pressure +_ 3mm Hg or < 2% , heart rate + 5%
Memory capacity: 90 sets of measurement data and time
Compression method: automatic pressurizing pump
Decompression methods: automatic decompressurizing pump
Measurement interval: 1mmHg
Operating temperature and humidity: +10℃~+40℃/40%~85%R.H.
Product weight: 105g
Product size: 70*72*23 mm ( Wristband is not included)
Wristband range: 135~195mm
Pressure sensing: semiconductor pressure sensor
Power supply: 2 Section 7 battery (not included in the package)

Package includes: 
1 x Blood Pressure Monitor (without battery)
1 x English User Manual 
1 x Retail Box 
1 x Plastic Case