High Sensibility - Features a high-precision measurement sensor that automatically senses and displays maximum grip force. Capacity Range: 90 kg / 200 lbs. Adjustable Handle - Designed to accommodate various hand sizes. Adjust the knob ing to your hand size for comfortable testing and accurate measurement of maximum grip strength. Multiple User Settings - Supports individual setup for up to 19 users. Input user number, gender, and age to save and recall test results for each individual. Ideal for engaging friends, family, or colleagues in strength comparison. Intuitive Result Display - Each test result is categorized as "Low", "Normal", or "Strong" based on the user's age and gender data. This feedback helps track and improve grip strength over time. Portable Design for Training Use - Suitable for individuals involved in rock climbing, golf, tennis, or hand muscle rehabilitation exercises. Can be used for training and relaxation in various environments, including at home or in the office.