1). Operated by a rechargeable 7.2V DC Ni-MH (Nickel-Metal Hydride) battery. 2). charger: One 7.5V DC-200mA output charger included 3). Motorized brush-roll system 4). High performance cleaning 5). Environmental friendly(No exhaust odors or airborne dust particles) 6). Easily cleans bare floors and carpets 7). Instantly available without cables or hoses 8). Powerful rotating cleaning brushes pick up dirts and messes from all four sides of the sweeper head- with a 360? It provides excellent maneuverability and access to difficult to reach areas 9). It has an extended pole, is super-light weight and it's bagless dirty tray too. 10). Handy sweeper include