High Sensitivity - Equipped with high-precision measuring sensor, automatically capture and display maximum grip strength. Capacity Range: 90 kg / 200 lbs. Adjustable Grip - Designed to fit both large and small hands. Adjust the knob according to your hand size, making you test in a comfortable way and measuring maximum strength. Set different ranges for different people - Easy setup with 19 individual users - Can set 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 compete to show their strength. The result is displayed intuitively - Each test is rated "Weak", "Normal" or "Strong" based on the age and gender data entered for each user. You can improve your strength according to 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. In addition, you can train and relax in the office. Material: ABS plastic Drive: 2 x 3AAA batteries Capacity: 90 kgf Resolution: 0.1 kg Error: plus or minus 0.5 kgf Weight: 0.65 kg color: blue Product size: 195*125*30MM Number of pieces delivered: 1 piece becomeveryrich