- High-precision strain gauge sensor measures grip strength up to 396 pounds with a resolution of 0.2 lbs / 0.1 kg. - Bright screen display and USB charging: upgraded bright screen provides clear readings in low light. Recharges via USB cable, and traditional AAA batteries (not included) can also be used. - Easy to use: large LCD shows all key values on one screen. Displays user code, age, gender, grip value in pounds or kilograms, and grip status. The maximum grip value and the power level category (weak, normal, strong) are saved for easy recall and comparison. - Data and progress tracking: stores up to 19 user-definable profiles. Records can be viewed at any time. After each test, the device indicates how much grip strength has increased or decreased. - Practical applications: ideal for rehabilitation and physical therapy to monitor hand strength, athletic training to track grip development, or home/clinic use for ongoing fitness tracking. - Specification highlights: hand dynamometer style grip strength device with unit options in pounds or kilograms. Designed for clear readability, reliable data storage, and simple, repeatable testing.