Nintendo confirmed Pokémon GO—the new game that allows users to catch ‘em all in the real world—will be released as a freely downloadable app sometime in July. The news came during the publisher’s Treehouse Live event at E3.

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An extension device, dubbed Pokémon Go Plus, will also be released for $35.99. It’s a wearable accessory that alerts you when a Pokémon is nearby, so you don’t have to constantly keep checking your phone.

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While the app itself is scheduled to be available for free download, there will be in-game purchases as well. You can watch the trailer below.