The JT Revolution Classic Paintball Loader is an upgraded version of one of the most popular electronic loaders ever made! Virtually eliminates 'empty chamber' firing! Uses two 9 volt batteries (not included) regulated down to 12 volts for increased power and longer operating life. Designed as a cost-effective solution for jam-free loading for paintball markers with a high rate of fire. One of the most valuable accessories for your electronic or mechanical marker.