The brand is "Cybergun", no shame in the game, 1.5J, says the box. Doest not come with battery or charger. I'm just using a 6 cell RC car battery on exeternal for now, it does the job. Once you add a red dot, it looks cool. Im happy with it. Some times the full auto/semi switch jerks a little bit. Very cheap if you are on a budget.