The Nuprol AC100 Airsoft Chronograph is an essential piece of kit for any airsofter. It allows you to measure the muzzle velocity of your Airsoft guns. It measures in meters per second, feet per second, joules & round/min, all in one display.

Built-in rechargable lithium battery.
USB charging port. (USB lead included)
New generation intelligent chip.
Tripod mountable.
Measures velocity (FPS), Energy (J) and Rate of fire (RPM)