Amazon wants the robots to reduce the amount of heavy lifting and other intense physical labor that employees do.
Amazon said that the robot is independent and automatically does its work without interfering with employees.
Proteus is designed to raise and haul the wheeled bins that are used to move packages around the warehouse.
Using a combination of computer vision and artificial intelligence, Cardinal assists with sorting.
Cardinal is currently being tested to lift parcels that weight up to 50 pounds.
Amazon expects to start using the robots in its facilities by next year.
