<p> Model: VELOCITY (10-1911CM)<br /> Measuring range:<br /> Ball: 16-177 km / h 10-110 miles per hour<br /> Car: 16-320 km / h 10-200 miles per hour<br /> Effect of distance:<br /> The ball: 0-22.5 M<br /> The car: 0-390 M<br /> The measurement accuracy: +/-1.0MPH +/-2.0KPH<br /> Display unit: km / h (KPH) or miles per hour (MPH)<br /> Weight: 539 g<br /> Specification: 109x213x512mm </p> <p> <br /> </p>