• chrono for meassuring projectiles of: firearms, shotguns, archery, airguns, and paintball.
• 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
• 2 year warrantee against defects in material and workmanship, and a 1/2 price repair guarantee
• Replaceable Alkaline 9 volt battery power (not included) for 20+ hours of operation
• Velocity Range: 20 - 9,999 feet per second
• Temperature Range: 20-100 degrees Fahrenheit
• Size: 16x4x3-1/4 inches
• Weight: 2.1 lbs
• Battery Life: Approx. 20 hours of operation
• Mounting Hole Thread: 1/4x20 compatible with standard photo tripod
• 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
• Bluetooth: BT2 and BT4LE