The Iron Man Armor is the base unit used by Tony Stark when he becomes the super-hero known as Iron Man. It is the main equipment he uses, and has almost become a part of Tony's life and his system.
The Iron Man Armor is known to have many capabilities and equipment, and is full of various kinds of weaponry and devices that are equipped to each and every unique armor. There are currently 42 known Iron Man Armor's in existence, as far as the film franchise goes.