This looks like a Hoverfly Sentry, a tethered drone commonly used by law enforcement for persistent overwatch of certain areas at about 200 feet max (no need to swap batteries).
They do have civilian uses for event security, disaster response, traffic monitoring.
hoverflytech.com/tethered-dro...Persistent reports of ICE using drones, including this highly suspected ICE drone photographed being launched from a suburban park. It’s a HoverFly Spectre, a “tethered” surveillance drone flown over unspooling fiber-optic cables. I’d be curious if anyone knows a civilian use case