[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 upgraded bright screen function for 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 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 for comparison. [Automatic storage] The hand dynamometer grip strength device 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 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 Color: Black Material: Plastic Size: 195 x 125mm Package Contents: 1 x Electronic Grip 1 x USB Cable Only the above package contents, other products are not included. Note: Light reflection and different displays may cause the color of items in it a little different from the real thing. The permissible measurement error is +/- 1-3 cm.