[High Precision] This hand grip tester is equipped with a high-precision load cell that can accurately measure grip strength up to 160 kg, with a graduation of 0.1 kg. [Bright Display and USB Charging] The newly upgraded bright display function of the hand grip tester allows you to clearly see the hand grip tester's readings in dark environments. It can be charged with a USB cable, which is more environmentally friendly. You can also use traditional AAA batteries (not included in the delivery). [Easy to Use] The hand grip tester's LCD screen clearly displays all measurements on the same screen. The indicators shown include user code, age, gender, grip strength value in kg or pounds, and grip strength condition. The display of maximum grip strength value and weak, normal, or strong power can be stored and easily retrieved for comparison. [Automatic Storage] The hand grip tester's hand grip strength data can store up to 19 user-defined data, and its records can be viewed at any time if needed. After the test, the hand grip tester can show how much the grip strength has increased or decreased this time. [Various Occasions] The digital hand dynamometer is very suitable for sports training, home use, and clinical use. Grip strength testing is necessary for sports such as climbing, wrestling, and gymnastics, and is an important indicator of overall health. Power supply: USB charging / 2 AAA batteries (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 product in the picture to differ slightly from the actual product. The allowed measurement is +/- 1-3 cm.