[High Accuracy] This grip strength tester is equipped with a high-precision strain gauge, which can accurately measure grip strength up to 396 pounds, with an accuracy of 0.2 pounds / 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 in a dark environment. It can be charged with a USB cable, which is more environmentally friendly. AAA batteries (not included) can also be used. [Easy to Use] The LCD screen of the grip strength meter displays all measured values on the same screen. Displayed measurements include code, age, gender, grip value in pounds or kilograms, and grip status. The display of the maximum grip value and the weak, normal, or strong power can be saved and recalled for comparison. [Automatic Storage] The hand dynamometer grip strength can store up to 19 definable data, and their records can be viewed at any time; After the test, the grip strength tester can show how much the grip strength has increased or decreased this time. [Multiple Occasions] Digital hand dynamometer is suitable for sports training, sports, family, and clinical use. Grip testing is essential for sports such as climbing, wrestling, and gymnastics, and it is also an important indicator of general health. Power: 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, others are not included Note: Light and different screens may cause the color of the item to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm. We not only provide you with high-quality products, but more importantly, we provide you with long-term customer service. When you purchase our products, you will receive comprehensive customer support, so you can shop with confidence and satisfaction.