• On-board Bluetooth connectivity with free iOS, Android, Kindle, PC, and Mac app
• Internal and external refinements with updates to the circuity and enclosure
• Built-in full-featured operation 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
• 2-year manufacturer warranty against defects in material and workmanship
• Replaceable 9-volt alkaline battery for 20+ hours of operation
• Made in the USA at an affordable price

          Note: Chrono does not include Indoor Lighting System, must be purchased separately