Description£º Features:¡¤Memory capacity£ºeach 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 ¡À3 mmHg¡¤Pulse rate: within ¡À5% of reading¡¤Power supply: 2 x AAA alkaline batteries (not included) Specifications:Size: 70*72.6*32.5mm ( L*W*H)Net weight: 105gColor: White Packing content:1 PCS Wrist Type Blood Pressure Monitor1 PCS user manual