Robust and Durable: Made of high-quality ABS material, this grip strength tester is robust and durable, accurately measuring grip strength up to 400 pounds. It also offers adjustable resistance training, making your workouts more scientific and effective. Multiple User Profile Storage: The tester can store up to 19 user profiles, displaying user code, age, gender, grip strength value, and grip strength status. It also automatically shows the difference from the last stored grip strength value for easy comparison. Clear and Easy-to-Read Display: The large LCD screen clearly displays measurement results, making it easy to create training plans. Ergonomic Design: Equipped with an ergonomic handle and adjustable knob, ensuring comfort and durability during high-intensity training at home or in the gym. Portable and Multifunctional: Compact and lightweight, it easily integrates into any training program, whether at home, in the office, or on the go.