Features: High-quality material: Made of high-quality ABS material, not easy to break, can be used for a long time, durable. HIGH ACCURACY: Equipped with a high-precision strain gauge sensor, the handheld force gauge can give you an accurately instantaneous digital readout of grip force. Easy to read: The large LCD screen clearly shows all measurement results on the same screen. ADJUSTABLE: Turn the adjustable gear to get the ideal grip based on your hand size. It39;s perfect for both big and small hands. Humanized handle: ergonomic handle design, non-slip, comfortable grip. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: plastic, electronic Measuring range: 1-90 KGF kilogram force Resolution: 0.1 KGF Allowable error: minus 0.5KGF Working power supply: 2*1.5V battery Package List: 1 x Electronic Digital Hand Dynamometer