The Xero® C1 Pro chronograph makes ballistics calculations easy. This compact device fits in your back pocket, measures projectile velocities from 100 fps to 5,000 fps, and provides the data you need to refine your equipment. The setup is simple and intuitive, thanks to the button-operated design. Compare velocity for every shot fired, track deviation, and more in the ShotView™ smartphone app. It’s built to last, thanks to its IPX7 water-resistant rating. With up to 6 hours of battery life, you’ll have plenty of time at the range.

Features:

• Measures medium- and high-velocity projectiles from 100 fps to 5,000 fps for bullets, arrows, bolts, slugs, birdshot, paintballs, and airsoft BBs
• Easy to set up and simple to use; turn it on, point it in the right direction, and shoot level, aiming at a target 4 feet away and within roughly 15” of the device to achieve a consistent reading. 
• Build your most accurate archery set-up by determining your optimal arrow velocity
• With Pro settings enabled your arrow weight may be entered to calculate kinetic energy 
• Measure changes in arrow build weights and effects on pin spread for specific hunting applications 
• Must have tool for setting up and sighting in crossbow using variable power speed specific optics 
• Compact design is easy to transport since it fits in your back pocket
• Features an easy-to-read, backlit display
• Button-operated design is simple to use
• Up to 6 hours of battery life give you plenty of time at the range
• Pair with your smartphone, and use the ShotView™ app to record results and keep track of your data: compare velocity for every shot fired, calculate extreme spreads, keep track of different projectiles, track deviation, and more
• 50 sessions at max 100 shots per round before a
  ShotView™ app sync is required to save data to the phone
• No need to attach anything to your firearm, which means it won’t affect your zero or barrel harmonics
• Built to endure the elements with an IPX7 water-resistant rating
• Internal rechargeable lithium-ion battery; nonreplaceable

In The Box: 

• Xero C1 Pro chronograph
• 1/4-20 thread tripod mount
• USB Type A to Type C cable
• Documentation