[High Accuracy] This grip strength tester is equipped with a high-precision strain gauge, which can measure grip strength up to 396 pounds, with an accuracy of 0.2 pounds / 0.1 kg. [Bright Display and USB Charging] The newly upgraded bright display function of the grip strength tester allows you to clearly see the readings of the grip strength tester 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 tester clearly 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 force can be saved and recalled for comparison. [Automatic storage] The grip strength of the hand dynamometer can store up to 19 definable data, and their records can be viewed at any time when needed; After the test, the grip strength tester can show how much the grip strength has increased or decreased this time. [Multiple occasions] The digital hand dynamometer is suitable for sports training, sports, family and clinical use. Grip testing is necessary for sports such as climbing, wrestling and gymnastics, and it is also an important indicator of overall 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 contents, others are not included. Note: Light and different displays may cause the color of the item to be slightly different from the real thing. The measurement allowed is +/- 1-3cm.