[Higher capacity] - Equipped with high precision strain gauge sensor, the hand dynamometer gives you accurate momentary digital reading of gripping power. Measuring Capacity: 396lbs/180kgs; Division:0.2lbs/0.1kgs This is a perfect Hand Dynamometer for physical therapists, occupational therapists, athletic trainers, chiropractors, and general practitioners. [Sturdy and Long-lasting] - This Hand Dynamometer is made of materials, which makes it sturdy and long-lasting. If you have been working on improving things with some pull up bars and pulley based exercises, This grip gauge is an excellent metric to use for determining improvement. [Efficient Device and Easy to Use] - The display on the handle is simple to read, and the design of this Grip Strength Tester is . The length of the handles can be adjusted to accommodate different size hands. This Grip Strength Trainer Meter is so much more convenient than the old school manual that are hard to read and uncomfortable to use. Power supply mode:USB charging/2xAAA battery (not included) Colour:Blue Material:Plastic Size:195x125x30mm Package Contents: 1 * Electronic Grip 1 * USB cable 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.