Measuring Method: Oscillographic Measurement Method. Package Contains: 1 x Arm Cuff Medium (22cm-32cm). Display: LCD Digital Display. Inflation: Automatic Button Press. Colour: White Face or Silver. Measuring Accuracy: Pressure: ±3mmHg; Pulse: ±5% Of Reading. Size (Not including The Cuff): Approx. 9.8 x 11.5 x 6cm - Cuff range: 22-32cm. 1 x Digital Automatic Upper Arm Blood Pressure Monitor. Measuring Range: Pressure: 0 ~ 280mmHg: Pulse: 40 ~ 199 Pulses/Min Resolution: 1mmHg (0.1kPa) 1 x User Manual. Power Supply: x4 New AAA Batteries (not included). Electronic Blood Pressure Monitors | Living Social | Living Social