EastShore B11WV Wrist Blood Pressure Monitor With English/Spanish Talking Function , 3 Color Backlight WHO Alert, 90 memories

●Measurement Method: Oscillometric method. ● Measure range: Pressure(40mmHg~280mmHg);Pulse rate range(40-160)hypo/minute. ●Accuracy: Pressure ±5mmHg; Pulse ±5%. ●Cuff circumference size: Around 135mm~195mm. ●Backlight on three conditions . ●Accessories: carrying case, instruction manual. ●Weight about: 141g. ●Power supply by: 2 AAA batteries .