Each model measures the speed of bullets, arrows, shotguns, airgun pellets and paintballs, etc.- from 30/fps to 7000/fps and with better than 0.5% accuracy.It can go with you anywhere.Just unfold (like a book), mount on a tripod or place on a table, insert diffusers and shoot in less than 2 minutes.Each model is made of 20 gauge steel but weighs less than 2.5 lbs.It is powered by one 9-volt alkaline battery (not included) and equipped with an extra large lcd readout (0.5" high).When folded, it is 7.5" long, 4.5" wide and 2.75" high.All chrony's come with a 5 year limited warranty.

Type: Chronograph
Function: Measures Bullet Velocity
Channels: 32 Shot Memory
Range: 30 fps to 7000 fps
Battery: 9V
Screen Type: LCD Display
Backlight: No