Fine Dragon Robot Vacuum, High Suction, Robotic Vacuum Cleaner with Drop-Sensing Technology and HEPA Style Filter for Pet Fur and Allergens, Designed for Hard Floor and Thin Carpet Abs Robotic cleaning and easy using : Motorized automatic sweeping and cleaning with low noise mute technology. Mainly for pet hair,dirt,debris,ashes and more. Light duty clean ability : The basic version robot for light duty cleaning. Mainly for sweeping not for vacuuming. Infrared induction: Infrared cliff sensor to detect the wall and stair and turn direction in advance. Portable handle & Slim Design: Fashion and pretty appearance with portable handle convenient and easy to carry or move. It can only work on hard flat floor such as hardwood floor, tiles, marble and can not work on carpet. Also it cant climb over the gaps or slope between the different floor types.