Precisely equipped with high-precision strain gauge sensors, the manual dynamometer provides you with accurate and real-time digital clamping force readings. Measurement capability: 268 pounds/0-120 kilograms can store adhesion peaks and displays at low, normal, or high power levels, and can be easily called up for comparison. Environment adjustable handle suitable for users of different ages, suitable for hands of different sizes, battery: two AAA batteries Package includes: 1 * Grip strength device Attention:1. Due to manual measurement, please allow for minor errors. Please ensure that you do not mind before bidding.2. Colors may vary depending on the monitor, please understand.Hello, please pay attention to your shipping address when purchasing products.If your delivery information (such as name, street, house number, doorbell/email without a name, etc.) is incorrect, the order will not be delivered correctly