ACETECH AC6000 BT Chronograph (Bluetooth Ver. w/ Speed Testing Tube)

The ACETECH AC6000 BT chronograph is a high-quality modern chronograph that is easy to use and well made.  The chrono is easy to operate and offers a wide gamut of options for users that would test the velocity or energy of your projectile that ranges from 4.5mm to 9mm. The unit can operate via battery power or run off of USB power as well by removing the battery.  If you have a rechargeable battery, you can directly recharge the battery by plugging in the cable while the battery is inside.  In addition, the unit offers up to 24hrs operation wth battery power making it a superb chrono to bring with you to games.ACETECH AC6000 BT Chronograph (Bluetooth Ver. w/ Speed Testing Tube)Muzzle speed measurement range: 30.00 ~ 400.0 (m/s)Burst speed measurement range: 100 ~ 5000 (rounds/minute)Speed measuring tube diameter: 36mmCamera tripod screw hole for fixing to camera tripodSupporting micro USB external power input for chargingPackage Not Include BatteryAPP Instructions Go to the APP store