[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 resolution 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 tester clearly displays all measured values on the same screen. The maximum grip value and the weak, normal, or strong power can be saved and easily recalled for comparison. [Various Occasions] The digital hand dynamometer is very suitable for sports training, sports, family, and clinical use. Grip testing is necessary for sports such as mountaineering, 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 content, other products are not included. After-sales guarantee is our extended commitment to quality. No matter how big or small the problem, we will do our best to make you feel 231% valued and cared for.[CA]