Beurer TENSIOMETRO BM49 Volume adjustable. Volume in silence if desired. Automatic measurement. Detection Arrhythmia. Detection of arritmias. Touch sensor button. Automatic shut-off. Arm cuff (22 - 36 cm). Module 2 x 60 measurements (2 people). Date and time. Message in case of error. Indicator of depleted batteries. Box and Batteries (4 x AA) included. (metal): 57 x 47 x 25.5 cm. Weight: 359 g The following product will be supplied with accessories and features described by the same manufacturer.