Competition Electronics ProChrono LTD

Digital chronograph Large 4-digit LCD screen Up to 9 strings of up to 99 shots each memory capacity Review individual shot velocity, average, high, and low velocity, standard deviation and extreme spread Works under a wide array of loads and light conditions 20-9,999 FPS measurement range +/-.5% of measured velocity, or better Minimum of 500 ms time between shots 31 ns crystal-controlled shot timing resolution (8000 counts @ 4,000 FPS) 1/4" x 20 tripod mounting hole thread 3/16" x 16" guide wire Uses one 9-volt alkaline battery (not included) Approx. 20 hours of battery life Onboard storage for spare battery 15mA power consumption 20-100 deg. F operating temperature range 16" long x 4" wide x 3-1/4" high Weight: 2.1 lbs. 2-year warranty against defects Made in USA