Product Details Department Name: Unisex Type: Electronic Counting Grip Sport Type: Strength Training Training Part: Arm, Hand Function: Arm Exercise Measuring Range: 1 - 80 KGF (Kilogram Force) Resolution: 0.1 KGF Working Power Supply: USB Color: Blue Material: ABS Package Contents 1 x Electronic Grip Note: Only the items in the above package are included; other products are not included. Due to the difference in light reflection and monitors, the color of the items in the picture may be slightly different from the actual product. The measurement error of +/- 1 - 3cm is acceptable. Instructions for Use Friendly - Squeeze the hand dynamometer with maximum isometric force for at least 5 seconds. After the test, the LCD will automatically display the maximum grip value and the grip value status bar. This bar is preset to display the status of "weak", "normal" or "strong" according to the age and gender of each test. Product Features Accuracy - Equipped with high-precision strain gauge sensors, the handheld dynamometer can provide accurate instantaneous digital readings. It has a measuring capacity of 396 lbs/180 kg and a resolution of 0.2 lbs/0.1 kg.