Features:

Measures muzzle velocity from 30 m/s ~ 400+ m/s (90 fps ~ 1200+ fps)
Calculates muzzle kinetic energy from 0.01~999 joule
High quality DOT Matrix backlit LCD display
Removable wireless display with tactical rail mount
Rotating display allows the LCD screen to be mounted in various configurations
External micro-USB power input
Enlarged shooting tube (38mm) to easily line up your gun
High density IR detector for fired projectiles
Six memory options for saving various ammo weight and calibers
Shot memory log of velocity & rate of fire
Calculate min/max, E-S (extreme spread), AVG, S-D (standard deviation) via shot memory
Energy per-unit area calculations-D standard deviation analysis
Extreme speed calculation
Energy per unit area calculation.
Reinforced PC panel
Tripod ready (Screw for standard camera / camcorder tripods)
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 Battery, External Micro USB - Batteries Not Included

Weight: 72g, 200g
Dimensions: 84.5mm x 59mm x 31mm, 108mm x 87mm x 66mm