Usage Tips:This electronic hand grip strengthener tester can store up to 19 user-definable data complete with gender and age , and the records can be viewed at any time when needed. The grip strength tester automatic storage &record can be queried, also recalls the last record grip strength test for each profile and visibly indicates whether the current test shows an increase or a decrease in hand strength. Comfortable to Use - The grip strength tester ergonomic and bionic handle design, fit your finger, The length of the handles can be adjusted to accommodate different size hands, can be adjusted to provide a customized fit for each user. Large LCD Display - The large LCD display provides with the precise measurements including user code, age, gender, grip value in pounds or kg and grip status. Shows all measurements clearly on the same screen. For constant monitoring and easy comparison of the data, you can save the grip value display of the weak, normal or strong power levels. Multi-Occasional - Grip testing is necessary for sports such as rock climbing, wrestling and gymnastics, This is a perfect Hand Dynamometer for physical therapists, occupational therapists, athletic trainers, chiropractors, and general practitioners. Grip testing is necessary for sports such as rock climbing, wrestling and gymnastics, and it is also an important indicator of overall health. Best Gift Ideas - The grip strength tester is a best gift ideas for sports enthusiasts, athletes family and clinical use. Power Supply:2 x AAA batteries(Not included batteries) Colour:A:Gray/B:Black/C:Peacock Blue Material:ABS Package Contents: 1 * Grip Strength Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.