Features:-Equipped with a high-precision strain gauge sensor, it provides you with an accurate and instant digital reading of your grip force.-Equipped with a bright screen display, you can clearly see the readings even in dark environments.-Built-in rechargeable battery, which can be charged using a USB charging cable or standard 2 AAA batteries (included).-Different users (19 groups) can be measured continuously, and the gender, age and test results of each user can be stored.-Easy to use, press with maximum force for at least 5 seconds, after the test, the LCD screen automatically displays the grip strength value.Specifications:Color: blackBattery voltage: 300mAhBattery capacity: 3.7VBattery: 2*AAA batteries (included) Package Included:1x Grip dynamo.
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