Features:·Memory capacity: each side may record 60 groups of measurement data·Pressurization: full automatic pressurization mode·Decompression: full automatic decompression mode·Air discharge : full automatic rapid exhaust mode·Type: Wrist Blood Pressure Monitor·Wrist Circumference: 135 ~ 195 mm·Measurement Range:·Pressure: 20 ~ 280 mmHg·Pulse Rate: 40 ~ 165 beats / min·Accuracy:·Pressure: within ±3 mmHg·Pulse rate: within ±5% of reading·Power supply: 2 x AAA alkaline batteries (not included)Specifications:Size: 70*72.6*32.5mm ( L*W*H)Net weight: 105gColor: black+whitePacking content:1 x Wrist Type Blood Pressure Monitor