The KV8 510B is a portable intelligent robot vacuum cleaner, which adopts 5-stage cleaning to bring a wonderful cleaning effect and give you a comfortable living environment. It has the virtual wall function to prevent the cleaner from entering into the areas no need to clean. Besides, you can set the booking time on the remote controller for cleaning. It is powered by a built-in rechargeable Ni-MH battery for durable to use. With multifunction design and easy to use, it is really a wonderful household gadget of choice.