Ballistic chrony R2 shooting chronograph for air guns

Description

Chrono-R2
multifunction shotting chronograph and
best of portable devices for
airguns, asg and paintball
application.
Intuitive operation. Solid steel enclosure.
Measurements: kinetic energy and velocity ( 2000 m/s or 6500 fps ).
Units: metric ( J, m/s, g ) and imperial ( Ft/Lbs, F/s, gr ).
Functions:  velocity (actual, average, min, max, absolute dV, standard deviation), memory 250 results, kinetic energy (actual, average ), settable weight of ammo ( gramms, grains ), power factor IPSC, ROF (  rate of fire ).
dimensions ( h x w x d ): 137x70x100 mm
power supply:  2xAA alkaline or NiMH batteries
supported interfaces: serial, Bluetooth and USB (
upon request
)
weight: 0.6 kg