Description Introducing the ProChrono DLX ballistic chronograph with improved accuracy specs and built-in Bluetooth including the ProChrono padded carry case for transport and storage The next generation of the ProChrono model based on a time proven design that has been measuring “almost anything that shoots” since 1985! Great for firearms, shotguns, archery, air guns, and paintball. Everything required for outdoor use is included. For indoor use, we recommend the optional Indoor Lighting System (part# CEI-4100) available here. 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. Over 30 years of experience in chronograph design and manufacturing. Replaceable Alkaline 9-volt battery power for 20 hours of operation. Quality accessories and replacement parts at a reasonable price. Instruction Manual Specifications Velocity Range: 20 – 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: 1/4×20 Guide Wire Size: 3/16×16 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 @ 4,000fps) Crystal Controlled Accuracy: /-.5% of measured velocity or better Bluetooth: BT2 and BT4LE
