Has to do with Netforce (escape room)

Needs to be a 4 digit code.

If you get the answer please explain

OHHH.. I know what you talking about.

Explanation:

Okay so Netforce escape room is a Game on the playstore app and every time you type the code in it unlocks the door and you move up to different levels.

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )