Timer, for Competition, ProChrono DLX™, by Competition Electronics

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Introducing the ProChrono DLX™ ballistic chronograph with improved accuracy specs and built-in Bluetooth!

The next generation of their ProChrono model based on a time proven design that has been measuring “almost anything that shoots” since 1985! Great for firearms, shotguns, archery, airguns, and paintball.

Everything is included for outdoor use. For indoor use, Competition Electronics recommends their optional Indoor Lighting System.

PLEASE NOTE: This REQUIRES one 9 volt alkaline battery for operation! (NOT INCLUDED)


  • On-board Bluetooth connectivity, and more options with FREE apps for iOS, Android, Kindle and PC.
  • Internal and external refinements with updates to the circuitry and enclosure design
  • Built in full featured operating system with multiple shot string memory and statistics
  • Sensing system compatible with a wide variety of light conditions and projectiles
  • Faster internal shot clock for improved accuracy to +/- .5% or better
  • Made in the USA quality at an affordable price
  • 2 year warranty against defects in material and workmanship, and a 1/2 price repair guarantee
  • Over 30 years of experience in chronograph design and manufacturing
  • Replaceable Alkaline 9 volt battery power (NOT INCLUDED) for 20+ hours of operation
  • Quality accessories and replacement parts at a reasonable price
  • Made in USA with real service and support
  • Velocity Range: 20 – 9,999 feet per second
  • Temperature Range: 20 – 100 degrees Fahrenheit
  • Size: 16 x 4 x 3 – 1/4 inches
  • Weight: 2.1 lbs.
  • Battery Required: One 9-volt alkaline battery
  • Battery Life: Approx. 20 hours of operation
  • Current Consumption: Approx. 20mA
  • Mounting Hole Thread: 1/4 x 20
  • Guide Wire Size: 3/16 x 16 inches
  • Memory Capacity: Up to 9 strings of up to 99 shots each
  • Minimum Time Between Shots: 500 mSec
  • Shot Timing Resolution: 31 nSec (8000 counts @ 4,000 fps) Crystal Controlled
  • Accuracy: +/-.5% of measured velocity or better
  • Bluetooth: BT2 and BT4LE

Any warranty issues with the ProChrono DLX™ must be handled directly with Competition Electronics.