[High Accuracy] This grip strength tester is equipped with a high-precision strain gauge sensor, which can accurately measure grip strength up to 396 pounds, with a division of 02 lbs / 01 kg. [Screen display and USB charging] The grip strength tester's newly improved screen function allows you to see the grip strength tester readings clearly in a dark environment. It can be recharged with a USB cable, which is more environmentally friendly. Traditional AAA batteries (not included) can also be used. [Easy to use] The grip strength meter's clear LCD display shows all measured values on the same screen. Measurement values displayed include user code, age, gender, grip value in pounds or kilograms, and grip status. The display of maximum grip value and low, normal or strong level can be saved and easily recalled for comparison. [Automatic storage] The grip strength device of the dynamometer at main can store up to 19 user-definable data, and their records can be viewed at any time when needed; After the test, the grip strength tester can display how much grip strength has been increased or decreased this time. [Various occasions] The digital hand bench is very suitable for sports training, sports, family and clinical. Grip testing is necessary for sports such as rock climbing, wrestling, and gymnastics, and it's also an important indicator of overall health. power supply mode: USB charging / 2xAAA battery (not included)Color: black