FCC: SZNS2221012-46404E-EM,CA65:SZNS2221011-46271E The RD Electronic trigger Pull is a precision electronic measuring instrumentused to measure trigger Pull and can be as heavy as 12 pounds; The this is mainly used to ensures safe and Accurate Trigger Adjustments. Make sure All firearms are unloaded and in A safe condition Before using this product! the Reloading Basic's Electronic trigger pull Gauge is a battery operated (9 volt) electronic gauge designed to accurately measure the trigger pull weight up to 12 Pounds ; the trigger pull Gauge features an easy to read LCD display, index able trigger hook with roller (figure#1), and converts from English to Metric meausurement at the push of a button, the gauge is capable of calculating and average weight of pull from up to 10 separate weight readings. Special note: mportant!! Make sure all Firearms are unloaded And in A Safe Condition Berfore Using this product!