【High Precision】This grip strength tester is equipped with a high-precision strain gauge sensor, measuring grip strength up to 180 kg with an accuracy of 0.1 kg. 【Bright Screen and USB Charging】The newly upgraded bright screen function clearly displays measurement results even in dark environments. It can be charged via USB cable, making it more environmentally friendly. AAA batteries can also be used (sold separately). 【Easy to Use】The LCD screen clearly displays all measurement values. Displayed values include: number, age, gender, grip strength value (pounds or kilograms), and grip strength status. Maximum grip strength and strength level (weak, medium, strong) can be saved and displayed at any time for comparison. 【Automatic Storage】This grip strength tester can store up to 19 sets of customizable data and can display records at any time; after the test, the tester shows the increase or decrease in grip strength. 【Wide Range of Applications】This electronic grip strength meter is suitable for sports training, physical activities, home life, and clinical applications. Grip strength measurement is crucial for sports such as rock climbing, wrestling, and gymnastics, and is also an important indicator of overall health. Power supply: USB charging / 2 AAA batteries (batteries not included) Color: Black Material: Plastic Package contents: 1 * Electronic hand dynamometer (batteries not included) 1 * USB data cable Only the above package content is included; other items are not included. Note: Light during photography and different monitors may cause the color of the product in the image to differ slightly from the actual product. The measurement tolerance is +/- 1-3 cm.