Vacuflo Turbocat central vacuum air turbine brush. No batteries or additional power needed. Runs off your central vacuum. The make-up of the TurboCat turbine allows for enhanced airflow and constant contact with the floor surface. Compatible with major brands of central vac, including Beam, Nutone, Electrolux, Hayden, VacuMaid, Aggressor, Vacuflo, MD, Canavac, Cyclovac, Air Vac. This model is gray in color.