High Sensitivity - Equipped with high precision measuring sensor, automatically sense and display maximum grip force.Capacity range: 90 kg / 200 lbs. Adjustable Handle - Designed to fit both large and small hands.Adjust the knob according to your hand size, making you test in a comfortable way and measure the maximum force. Set different ranges for different people - Easy setup with 19 individual users - Can install number, gender, age - and save and recall test results for each user.Can create a lot of interest among friends, family and colleagues who want to fight to show their strength. The result is intuitively displayed ��C Each test is rated ?��Weak?��, ?��Normal?�� or ?��Strong?�� based on the age and gender data entered for each user.You can improve your strength based on the result. Portable and suitable for training anywhere - Suitable for people who do rock climbing, golf, tennis and people who participate in hand muscle rehabilitation training.Plus, you can work out and relax in the office.