[High Accuracy] Equipped with a high-precision strain gauge, this grip strength tester can accurately measure grip strength up to 396 lbs with a value of 0.2 lbs/0.1 kg. [Bright Screen and USB Charging] The newly upgraded grip strength tester's bright screen function allows you to clearly see the readings of the grip strength tester in a dark environment. It can be charged with USB cable, which is more environmentally friendly. Also works with AAA batteries (not included). [Easy to Use]The grip meter's LCD screen displays all measurements on the same screen. Metrics displayed include code, age, gender, grip strength value in pounds or kilograms, and grip strength status. Display of maximum grip strength values as well as weak, normal or strong forces can be saved and recalled for compatible comparisons. [Automatic storage] The hand dynamometer's grip strength data can define up to 19 data, and its records can be viewed at any time when needed; after the test, the grip strength tester can display how much the grip strength has increased or decreased this time. [Various Occasions] The digital hand gauge is suitable for compatible sports training, sports, home and clinical use. Grip strength test is a necessary supporting item for rock climbing, wrestling, gymnastics and other sports. It is also an important indicator of overall health. Power supply: USB charging/2 AAA batteries (not included) Colour: Black material: plastic Package contents: 1 * Electronic handle (batteries not included) 1 * USB cable, only the above package contents, others are not included NOTE: Lighting and different monitors may cause the color of objects in it to differ slightly from the real color. Allowed measurements are +/- 1-3 cm.