Check the listing for details. Competition Electronics ProChrono DLX Chronograph. Color: Gray, Condition: New with tags. Listed at 199.99 USD. 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, airguns, and paintball. Everything is included for outdoor use. For indoor use, Competition Electronics recommends their optional Indoor Lighting System (part# CEI-4100). Requires one 9 volt alkaline battery for operation (not included). Features : Includes outdoor diffusers, indoor diffusers not includedOn-board Bluetooth connectivity, and more options with free apps for iOS, Android, Kindle, PC, and MacInternal and external refinements with updates to the circuitry and enclosure designBuilt in full featured operating system with multiple shot string memory and statisticsSensing system compatible with a wide variety of light conditions and projectilesFaster internal shot clock for improved accuracy to +/- .5 percent or betterMade in the USA quality at an affordable price2 year warranty against defects in material and workmanship, and a 1/2 price repair guaranteeOver 30 years of experience in chronograph design and manufacturingReplaceable Alkaline 9 volt battery power (not included) for 20+ hours of operationQuality accessories and replacement parts at a reasonable price