[High Accuracy] This grip strength tester is equipped with a high-precision strain gauge, capable of accurately measuring grip strength up to 396 pounds, with a precision of 0.2 lbs / 0.1 kg. [Bright Screen and USB Charging] The newly upgraded grip strength tester features a bright screen function, allowing you to clearly see readings in dark environments. It can be charged via USB cable, making it more environmentally friendly. AAA batteries (not included) can also be used. [Easy to Use] The LCD screen of the grip strength meter displays all measured values on a single screen. Measured values include code, age, gender, grip value in pounds or kilograms, and grip status. The maximum grip value and the weak, normal, or strong effect can be saved and recalled for comparison. [Automatic Storage] The hand dynamometer's grip strength can store up to 19 definable data points, and their records can be viewed anytime. After testing, the grip strength tester can show how much grip strength has increased or decreased. [Multiple Occasions] The digital hand dynamometer is suitable for sports training, athletics, family, and clinical use. Grip testing is essential for sports like climbing, wrestling, and gymnastics, and it's also an important indicator of overall 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. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm. We not only provide you with high-quality products but, more importantly, we offer long-term customer service. When you purchase our products, you receive comprehensive customer support, allowing you to shop with confidence and satisfaction.