Feature: Automatic Wrist Blood Pressure Monitor with Digital LCD Display Screen Dimensions: 79 x 66 x 64.5mm Blood pressure measuring range: 0 to 299mmHg Blood pressure accuracy: Pressure +/-3mmHg; Pulse+/-5% Extra large LCD display (L x W): 46 x 35mm Irregular heartbeat detection: signals appearance of irregular heartbeat WHO indicator: provides an instant comparison to standards set by the World Health Organization Memory stores 2 x 90 readings: simplifies record keeping Date/time stamp: keep more relevant records Deluxe carry case: for convenient travel and storage D-ring contoured cuff: easy, self-application Auto-off: conserves battery life Latex-free: no risk of allergic reactions Average last 3 results CE & FDA is approved