Competition Electronics Prochrono DLX Combo Kit Grey/Black. The ProChrono DLX Combo Pack includes a ProChrono DLX diffuser pack and indoor lighting system for reliable performance both indoors and outdoors. All of this is packed neatly inside our durable carrying case for convenient transport and storage Specifications for Competition Electronics Prochrono DLX Combo Kit: Manufacturer: Competition Electronics Color: Grey/Black Length: 5 in Height: 16 in Width: 7 in Features of Competition Electronics Prochrono DLX Combo Kit Balisitic chronograph On-board Bluetooth connectivity for iOS and Android fast internal shot clock for accuracy to +/- .5percent or better mutiple shot string memory and statistics 2 year waranty indoor lighting kit carrying case 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 Fast internal shot clock for accuracy to +/- .5percent or better 2 year warranty against defects in material and workmanship and a 1/2 price repair guarantee Package Contents: Competition Electronics Prochrono DLX Combo Kit Competition Electronics CEI-3830: Prochrono DLX Combo Kit Grey/Black