[High Accuracy] This grip strength tester is equipped with a high-precision strain gauge, which can accurately measure grip strength up to 180 kg, with a value of 0.1 kg. [Bright Screen and USB Charging] The newly upgraded grip strength tester's bright screen function allows you to clearly see the grip strength tester's 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. Measurements shown 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 compatible comparison. [Automatic Storage] The hand dynamometer grip strength unit can store up to 19 definable 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 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 general health. Power: USB charging/2xAAA battery (not included) Colour: 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 shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.