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 to fit your hand comfortably for accurate testing and measurement of maximum grip strength. Supports personalized settings for multiple users - Easily set up to 19 individual profiles with user number, g, and age. Save and recall test results for each user. Provides engaging interaction for friends, family, and colleagues interested in comparing grip strength. Results are displayed clearly - Each test is categorized as "Weak", "Normal", or "Strong" based on the user's age and g inputs, helping track and improve grip strength over time. Portable and ideal for training in various settings - Suitable for individuals involved in rock climbing, golf, tennis, or hand muscle rehabilitation. Can also be used for training and relaxation in the office.