[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 files for easy tracking of progress. [Smart Counting and Resistance Adjustment] This grip training device adds a counting function, which can record up to 1999 exercises. Each time you use it, you can easily adjust the resistance from 11 to 190 pounds (5 to 89.8 kg) according to your needs. [Sports equipment and injury rehabilitation] The grip enhancer forearm grip is suitable for improving wrist and forearm strength and speed. It is appropriate for rock climbers, tennis players, athletes, and musicians. It also supports flexibility improvement and may be used during rehabilitation for conditions such as arthritis, tendinitis, carpal tunnel syndrome, and post-tendon surgery recovery. [Easy to use and save data] The grip strength trainer has an LCD screen, which clearly displays all measurement data on the same screen. The displayed information includes user code, age, gender, grip value (lbs or kg), and grip status. The maximum grip value is displayed, and power levels — weak, normal, or strong — can be saved and recalled for comparison. [Gift] Grip Strength Enhancer — suitable for sports training, family use, and clinical applications. Colour: white Material: plastic Package Contents: 1 × Grip Strength Trainer 1 × USB cable Note: Light and display differences may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.