The perfect tool to measure the trigger weight on your firearm. Works on all types of firearms including handguns, shotguns, rifles, etc.This gauge measures from 0 to 12 lbs and measures in units as low as .1 oz. Display weight in kg or lb.Peak and Live value options. In Peak mode it will maintain on screen the highest value. In Live mode it will show the current weight only.Stores and records numerous trigger pulls, recording the maximum, minimum, and average pull weights along with the number trigger pulls or saved values. Easy to reset the memory as needed.Requires 2x AAA batteries (not included).