The grip strengthener features a high-precision strain gauge sensor, offering accurate readings up to 265 lbs (120 kg) with 0.2 lbs (0.1 kg) increments, making it perfect for physiotherapists, sports trainers, and doctors. It stores up to 19 individual user records, allowing easy retrieval and comparison of grip strength measurements over time. The hand grips strengthener also boasts a large LCD screen that displays grip value (in pounds or kilograms), user information, and battery status for easy tracking. Rechargeable via USB and also compatible with AAA batteries (not included), it’s designed for flexibility and convenience. Ideal for sports training, physical therapy, and clinical use, it helps athletes, rock climbers, and anyone tracking grip strength progress.