This electronic hand grip strengthener tester can store up to 19 user-defined data profiles, including g and age, and records can be viewed at any time. The grip strength tester features automatic storage and recall of the last recorded test for each profile, clearly indicating whether the current result shows an increase or decrease in hand strength. Comfortable to use – the ergonomic handle design fits comfortably in the hand, with adjustable handle length to accommodate different hand sizes, providing a customized fit for each user. Large LCD display – shows precise measurements including user code, age, g, grip strength in pounds or kilograms, and grip status. All data is displayed clearly on a single screen. For consistent monitoring and easy comparison, users can save and review grip values categorized as weak, normal, or strong. Multi-purpose use – grip testing is beneficial for sports such as rock climbing and wrestling. This hand dynamometer is ideal for physical therapists, occupational therapists, athletic trainers, chiropractors, and general practitioners. Grip strength is also recognized as an important indicator of overall health. Great gift idea – suitable as a practical gift for sports enthusiasts, athletes, and for home or clinical use. Power supply: 2 x AAA batteries (not included) Color: Gray Material: ABS Package contents: 1 x Grip Strength Tester Note: Light reflection and differences in display screens may cause slight variations in the color shown in images. Measurement may vary by +/- 1-3 cm.