Product Specification Product Name: Electric Blood Pressure Monitor Brand Name: AnjoCare Model Number: TMB-1873 Display Mode: Digital Display Measuring Method: Oscillometry Measuring Range Pressure: 0 mmHg~299 mmHg(0 kPa-39.9 kPa) Pulse value: (40-199)times/minute Measuring Accuracy Pressure: +41°F to 1047 within ±0.4 kPa (3 mmHg) Pulse value: ±5% Parameters Body Weight: 9.2 oz excluding battery) Overall Dimension: 5.5 x 5.1 x 2.3 inch(excluding cuff) Power Supply: AAA battery x 4 Power adapter: 6V1A (Please only use the recommended AC adaptor model) (Not included) Cuff: Circumference 8% inch 16 inch Operating Environment A temperature range of: +41F to +104F A relative humidity range of 15% to 90%, non-condensing, but not requiring a water vapour partial pressure greater than 50 hPa An atmospheric pressure range of: 700 hPa to 1060 hPa Storage & transportation condition Temperature: -4F to +140F A relative humidity range of 93%, non-conderising, at a water vapour pressure up to 50hPa original picture video