Meet the Elios 2 drone: a flying machine designed for indoor inspection. It has a collision-resistant design and can fly places where other drones can’t. It has a spherical cage protecting the propellers from impacts. Elios 2 can easily fit into standard manholes and features GPS-free stabilization.
Elios 2 offers full HD livestreaming. It has 10k lumens of light and thermal/4K cameras for inspection. The above video shows this drone in action.