AccurateEquipped with high-precision strain gauge sensors, the hand dynamometer gives you accurate and instant digital clamp force readings. Measuring Capacity: 268 lbs / 0-120 kg adhesion peaks and displays of low, normal or high power levels can be saved and easily recalled for comparison.environmentAdjustable handle for users of different ages, suitable for large and small handsBattery: Two AAA batteries About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 31947 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.