Chronograph

ACETECH A5000 Shooting Chronograph...

Acetech AC6000 MKIII BT Chronograph - Exclusive Edition...

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Initial Velocity measure range: 30.00 ~ 400.0 (m/s)
ROF measure range: 100 ~ 5000 (RPM)
Support Camera Tripod mount
Tube diameter 24mm
Battery: 2 ...

Muzzle velocity range: 30-400+ m/s (90 - 1200+ fps)
R.O.F. range: 100-6000 RPM
Muzzle energy range: 0.01~9999 Joule
Power: 2x AA Battery, 2x AAA Ba...