Description: function: the instrument features accurate measurement, reliable quality, simple operation and convenient reading. It is mainly used to measure grip strength data in physical fitness test, focusing on the use of domestic fitness activities in sports, health, work, schools, scientific research and other units. It is a new generation of measuring instruments. Adjustable handle, suitable for people of all ages. Powered by 2xaaa batteries (not included), low power consumption, can be used for a long time. Specifications: Item Type: Manual Torque Brake Material: ABS Size: 196x131x3 6MM/7.7x5.1x1.4in Color: Grey, Blue (Optional) Power: 2xAAAA (Not Included) Range: 90kgf Resolution: 0.1 KGF Error: Plus or Minus 0.5kg Force Quantity: 1 PC Note: Transition: 1cm=10mm=0.39in Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Included: 1 x Handheld Dynamometer