The accuracy ranges are ±3 mmHg /±0.4 kPa (blood pressure) and ±5% (pulse rate). Included components 1 x Blood pressure monitor, 1 x Large Cuff, 1 x Type-C cable, 1 x Users manual. Included Components 1 x Blood pressure monitor, 1 x Large Cuff, 1 x Type-C cable, 1 x Users manual.