Competition Electronics Prochrono DLX Ballistic Chronograph

Introducing the ProChrono DLX ballistic chronograph with improved accuracy specs and built-in Bluetooth
 
The next generation of our ProChrono model based on a time proven design that has been measuring ÛÏalmost anything that shootssince 1985! Great for firearms, shotguns, archery, airguns, and paintball. Everything is included for outdoor use. For indoor use, we recommend our optional Indoor Lighting System (part# CEI-4100). Requires one 9 volt alkaline battery for operation (not included).
 
Features
Onboard Bluetooth connectivity, and more options with FREE apps for iOS, Android, Kindle, PC, and Mac
Internal and external refinements with updates to the circuitry and enclosure design
A 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
 
Specifications
Velocity Range: 20 ÛÒ 9,999 feet per second
Temperature Range: 20-100 degrees Fahrenheit
Size: 16x4x3-1/4 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: 1/4x20
Guide Wire Size: 3/16x16 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 @ 4,000fps) Crystal Controlled
Accuracy: +/-.5% of measured velocity or better
Bluetooth: BT2 and BT4LE