Boeing reveals delivery drone that can carry up to 500 pounds of cargo

Boeing has created an unmanned electric air vehicle prototype that it will use to test and evolve autonomous cargo delivery vehicles of the future.
Showcased at CES in Las Vegas last week, the "multi-copter" prototype is strong enough to transport cargo weighing up to 500 pounds (approximately 227 kilograms).

Source: https://goo.gl/wTu3wL