Usage Tips: [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 a value of 0.2 lbs / 0.1 kg. [Light 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 shows all measured values on the same screen. Metrics displayed 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 compatible comparison. [Automatic storage] The grip strength of the hand dynamometer can 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. [Various Occasions]Digital hand dynamometer is suitable compatible sports training, sports, family and clinical use. Grip testing is necessary compatible 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) 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 on the object in it is slightly different from the real one. Allowed measurement is +/- 1-3cm. We not only provide you with high-quality products, but more importantly, we provide you with long-term after-sales service. When you buy our products, you get comprehensive after-sales support, so you can shop with confidence and satisfaction.