[Accurate Measurement] The grip strength training device is equipped with 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 features a counting function that can record up to 1999 exercises. Resistance can be adjusted from 11 to 190 pounds (5 to 89.8 kg) 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 with arthritis, tendinitis, carpal tunnel syndrome, and post-tendon surgery recovery. [Easy to Use with Data Display] The grip strength trainer includes an LCD screen that clearly displays user code, age, gender, grip value (in lbs or kg), and grip status. Maximum grip value is shown, and power levels (weak, normal, strong) can be saved and recalled for progress comparison. [Great Gift Choice] This grip strength enhancer is suitable for sports training, general fitness, home, and clinical use. Ideal as a gift for birthdays, New Year's Day, Father'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 screen display differences may cause slight color variations. Measurement error allowance: +/- 1-3 cm.