[High Accuracy] This grip strength tester is equipped with a high-precision strain gauge sensor, capable of accurately measuring grip strength up to 396 pounds, with a division of 0.2 lbs / 0.1 kg. [Bright Screen Display & USB Charging] The upgraded bright screen feature allows for clear visibility of the readings in low-light conditions. It can be recharged using a USB cable, making it more environmentally friendly, while traditional AAA batteries (not included) can also be used. [Easy To Use] The LCD screen displays all measured values clearly. The values shown include user code, age, gender, grip value in pounds or kilograms, and grip status. It can save and recall the maximum grip value along with the weak, normal, or strong power levels for comparison. [Automatic Storage] This hand dynamometer can store up to 19 user-definable records, which can be accessed anytime. After testing, it shows the change in grip strength compared to previous measurements. [Various Occasions] This digital hand dynamometer is perfect for sports training, family use, and clinical settings. Grip testing is essential for activities such as rock climbing and wrestling, and it serves as an important indicator of overall health. Power supply mode: USB charging/2xAAA battery (not included) Colour: black Material: plastic Package Contents: 1 * Electronic Grip (batteries not included) 1 * USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the item's color in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.