You're not at home. You're on a ship called the Barge. If you walk out your door, you'll see it's different outside. [But he's asking about traps, and Tim would not walk out his door because someone told him to. So, proof first.]

Is there a window in your room? I can find one to show you, if not. You're on a ship, in space. [And he's taking his cues from that pristine military room, and putting a spark of that vigilante authority in his voice.]

Are you listening, Cato? I need you to open your door and tell me where you are. There will be a number on your door, it'll tell me what room and floor you're on. Understood?