[Accurate Measurement] The grip strength training device features a high-precision stress gauge sensor. Measuring capacity: 198 lb/90 kg; weight: 0.2 lb/0.1 kg. The compact grip training device can store up to 8 user profiles for easy tracking of progress. [Smart Counting and Resistance Adjustment] This grip training device includes a counting function that can record up to 1999 exercises. Resistance is adjustable from 11 to 190 pounds (approximately 5 to 89.8 kg), allowing users to customize intensity levels to meet individual training needs. [Sports and Rehabilitation Use] The forearm grip trainer is ideal for improving wrist and forearm strength and flexibility. It is suitable for rock climbers, tennis players, athletes, and musicians. It also supports rehabilitation for individuals recovering from conditions such as arthritis, tendinitis, carpal tunnel syndrome, and tendon surgery. [Easy to Use with Data Display] The grip strength trainer is equipped with an LCD screen that clearly displays measurement data, including user code, age, g, grip value (in lbs or kg), and grip status. The maximum grip value is shown, and results indicating weak, normal, or strong grip strength can be saved and recalled for progress comparison. [Ideal Gift Choice] This grip strength enhancer is suitable for sports training, home use, and clinical applications. It makes a thoughtful gift for occasions such as birthdays, New Year's Day, Mother's Day, Thanksgiving, and Christmas. Color: White Material: Plastic Package Contents: 1 x Grip Strength Trainer, 1 x USB Cable Note: Light and display differences may cause slight color variations between the product image and the actual item. Measurement error allowance: +/- 1-3 cm.