Intelligent Upper Arm Electronic Sphygmomanometer Blood Pressure Meter Automatic $ 25.11 Product information: LED Display size: 8773mm Accuracy: The pressure is within the range of3mmHg( 0.4kpa) and the pulse is within the range of5%. Power supply: 4AA alkaline battery (DC6V)/USB Type C (DC5V1A) Size: 11215578mm Armband size: 22-42cm Packing list: Electronic Blood Pressure Monitor*1 Set Product Image: