Accuracy - Equipped with high-precision strain gauge sensors, the handheld dynamometer provides you with accurate instantaneous digital readings. Measuring capacity: 198 lbs/90 kg; Graduation: 0.2 lbs/0.1 kgUser-Friendly - Squeeze the hand dynamometer with maximum isometric force for at least 5 seconds. After the test, the LCD will automatically display the maximum grip value and the grip value status bar, showing the status of "weak", "normal" or "strong" according to the age and gender preset for each test.Memory Recording - The device can store data for up to 19 definable users, and their records can be called up at any time when needed; in addition, the incremental increase or decrease of the last record will be automatically displayed after each test for comparison.Adjustability - Rotate the adjustable gear to get the ideal grip according to the size of the hand. Both large and small hands are suitable.Easy to Read - The large LCD screen clearly displays all measurements on the same screen. The displayed measurements include: user code, age, gender, grip value in pounds or kilograms, and grip status. Designed for home, sports and clinical use. Contains 2* AAA batteries; 5-year product warranty.