OVERVIEW: SpinWave Robot BISSELL SpinWave Hard Floor Expert wet and dry robotic vacuum gives you two ways to clean in one revolutionary robot. Its two tank system powerfully vacuums or actively mops. So, when used in dry vacuuming mode it collects pet hair, dirt and other debris across multiple surfaces, and when used in wet mopping mode, the mop pads and BISSELL Wood Floor Formula scrub messes on sealed hard floors. Thanks to the Soft Surface Avoidance Sensor, you dont have to worry about it...