Omron blood pressure monitor HEM-7112

[Basic Parameters Display: Digital measurement: Oscillometric Determination Accuracy: Pressure ± 4mmHg (± 0.5kPa) within a few Pulse: within ± 5% of reading storage capacity: can store 21 measurements Power: 7 battery 4 Overall sphygmomanometer Type: Arm [Appearance Parameters Dimensions: 103 * 32 * 125 Armband size: 220mm-320mm body weight: about 315g (without batteries) [Accessories] Package Contents: Armband, trial 7 battery 4, the customer service list, manual (with Omron Healthcare product warranty card), certificate