Prochrono DLX ballistic chronograph
#CE3820

Here are some key features:

On-board 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
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 warrantee 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