The Mantis X7 (MT-1003) is the most powerful shotgun sports analyzer. Ever. Collecting thousands of data points per second, the X7 analyzes your shooting in real-time. The X7 works with dry fire and live fire. Ships with: Mantis X7 sensor BR7 Barrel Mount Picatinny Rail for rifles and shotguns USB charging cable Mantis X7 Case + Foam Insert Quick Start insert Dimensions: 1.3″ x 1″ x 0.75″ LxWxH