This in an unmanned aerial vehicle used by the fire service. It has four motorised propellers that keep the very light unit in flight. The ring around the edge is optional and helps avoid damage if it has a slight brush with a building. It can hover using GPS to correct it’s position and can be fitted with a range of different cameras.
The unit in flight. Being less than a metre across, it is visually and audibly unobtrusive in the sky and can difficult to spot. This demonstration model is operated by MRL Limited and is called the MRL Eye.