Measures the speed of bullets, arrows, shotguns, airgun-pellets and paint balls from 30 fps to 7000 fps and with better than 0.5 percent accuracy. Made of 20 gauge steel but weighs less than two pounds eight ounces. Powered by one nine volt alkaline battery which is not included and equipped with an extra large LCD readout. Comes with hand-held controls and sixteen foot cord which brings the LCD right up to your bench, away from the bullets path. Also doubles as a remote control.