BB POWER TESTER Bullet Measuring Instrument for BB Bullets G0995 Japanese G-Force Velocity/Joule [Genuine Product]

A high-precision IR sensor installed within the shot area detects the ejected BB bullet. Instantly measures Joule (J) based on the set bullet parameter values and measured initial velocity (m/s). A must-have item for checking the bullet speed of custom guns. Adopts a rotary wheel switch that allows you to make selections and decisions with just your fingertips. You can switch between interfaces and setting screens with one hand, so you can operate without stress. Up to 6 BB bullet parameters can be recorded. If you register the size and weight of the bullet you are using, you can easily recall it at any time. In addition, the latest 99 test data are recorded, so you can check the maximum speed and average speed.