CAPTURE PRECISION. EXECUTE PERFECTION. The most essential data for ballistics calculations is projectile speed. A chronograph is the best tool for the job. Whether you're handloading for the range or building arrows for the hunt, the Xero C1 Pro chronograph provides the speed data you need to hone your craft. RELIABLE PERFORMANCE The chronograph will reliably pick up your shots, thanks to the sensitive and accurate sensor. VERSATILE PERFORMANCE The device can measure projectile speeds from 100 fps to 5,000 fps for bullets, arrows, slugs, birdshot, airsoft BBs, pellets and paintballs. EASY TO OPERATE Indoor and outdoor operation is simple, thanks to the Mfg: Garmin International