It should also be pointed out that it comes with only one moving part. This minimizes wear and tear on the components, increasing the likelihood that it will last longer.
Meanwhile, with the 36-finned disc, it can stick to almost any material and will have a wider cleaning path, allowing it to remove more dirt and debris in just a single pass. This also maximizes the suction power of the cleaner.
Lastly, there is a wheel deflector that allows it to navigate even tight spaces and prevents it from being stuck.