Competition CEI-3900 Prochrono Pal Chronograph

The Prochrono Pal Chronograph measures the velocity of almost anything that shoots with a large shooting area. Durable plastic light diffusers included. Accurate velocity measurement for rifles, pistols, arrows and shotguns. Easy to set-up and use with a HUGE shooting area. Optional lighting accessory required for indoor use. Accurate velocity measurement, is easy to set-up and features a HUGE shooting area. Displays velocity after each shot. Press the Review button to display the number of shots fired, average velocity and highest and lowest velocity in the string. The Velocity Range is 21-7,000 feet per second while the temperature Range is 32-100 degrees Fahrenheit. The device has a memory capacity of 99 shots and the minimum time between shots is 250 mSec and 500 mSec. It is very accurate with +/-1% of measured velocity, or better. The mounting hole thread is 1/4 x 20 and the guide wire size is 3/16 x 16 inches. One 9-volt battery is required, which is not included. It measures 16 x 4 x 3-1/4 inches.