[High Precision] This grip strength tester is equipped with a high-precision strain gauge, which can accurately measure grip strength up to 396 pounds, with a division of 0.2 pounds / 0.1 kg. [Bright Screen and USB Charging] The newly upgraded bright screen function of the grip strength tester allows you to clearly see the readings from the grip strength tester in a dark environment. It can be used for up to 20 hours after a full charge. [Easy to Use] The LCD screen of the grip strength meter clearly displays all measured values on the same screen. Maximum grip value and the weak, normal, or strong force can be saved and easily recalled for comparison. [Various Occasions] Digital hand dynamometer is very suitable for sports training, sports, family, and clinical use. Grip testing is essential for sports such as rock climbing, wrestling, and gymnastics, and it is also an important indicator of overall health. Power supply: 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 content, other products are not included.