[High Accuracy] This grip strength tester is equipped with a high-precision strain gauge, which can measure grip strength up to 396 pounds, with a division of 0.2 pounds / 0.1 kg. [Screen Display & USB Charging] The newly upgraded screen function of the grip strength tester allows you to clearly see the readings from the grip strength tester in a dark environment. It can be charged with a USB cable, which is more environmentally friendly. Traditional AAA batteries (not included) can also be used. [Easy to Use] The LCD screen of the grip strength meter clearly displays all measured values on the same screen. The displayed measurements include user code, age, gender, grip value in pounds or kilograms, and grip status. The maximum grip value display and the weak, normal, or strong level can be saved and easily recalled for comparison. [Automatic Storage] The hand dynamometer for grip strength can store up to 19 user-defined data, and their records can be viewed at any time if needed; After the test, the grip strength tester can show how much the grip strength has increased or decreased this time. [Various Occasions] Digital hand dynamometer is very suitable for sports training, sports, family, and clinical use. Grip testing is necessary for sports such as rock climbing, wrestling, and gymnastics, and it is also an important indicator of overall health. Delivery mode: USB charging/2xAAA battery (not included) Color: black Material: plastic Package contents: 1 * Electronic grip (battery not included) 1 * USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be a little different from the real thing. The allowed measurement error is +/- 1-3cm.