Competition Electronics ProChrono LTD

ProChrono LTD Ballistic Chronograph is great for firearms shotguns archery airguns and paintball. A chronograph lets you measure the speed that the bullet leaves the barrel. Everything is included for outdoor use. For indoor use purchase the optional Indoor Lighting System (part# CEI-4100). Requires one 9 volt alkaline battery for operation (not included). Internal and external refinements with updates to the circuitry and enclosure design Built in full featured operating system with multiple sh