Description:   Administrator: And measurement by both units of M / S • F / S can  -firing cycle can be measured a six patterns can be stored preset memory function set arbitrarily in diameter, the weight and the metal pipe that is difficult to break in and measurement Kan adopt -Large backlit LCD display with Tripod (sold separately) can be attached tripod can easily be used even outdoors so-rechargeable battery built-in type and level check function deployment, rechargeable battery , auto power off function deployment -Compatible with toy gun which emits a paintball bullet and BB bullet