In ballistics there is no room for error. The Xero C2 chronograph is the source you can trust. It builds on the success of its predecessor with a faster shot processor and improved features for an experience you won't find anywhere else. Measure Projectile Speeds From 100 Fps To 5,000 Fps Compact Design Fits In Your Pocket And Is Easy To Set Up View Live Data On Your Paired Garmin Smartwatch Pair With The Shotview Smartphone App Rifle-mountable Design Tracks Up To 10 Shots Per Second With Rapid-fire Support