Professional hand dynamometer: A hand grip dynamometer with user parameters, measurement and exercise mode settings. Set user information and target grip strength value before use, and automatically grab the maximum strength value.LED display: The electronic handheld dynamometer is equipped with an LED display. The digital display is easy to read and shows the results clearly and in detail.Accurate measurement: This handheld dynamometer adopts sophisticated production technology, accurate measurement, simple operation and convenient use.Adjustable grip distance: The hand gripper can adjust the grip distance to meet the use of different groups of people. Used to reduce muscle discomfort and develop palm strength.Multiple uses: Grip strength can be used for class entertainment, exam practice, daily fitness, rehabilitation training, office games, fitness for the elderly, etc.