OceanRich is a Taiwan-based company that manufactures home appliances such as fans, humidifiers, kitchen appliances etc. Seen here are their smart cleaners that do not use any sensors. The movement of the appliances is random. There is a ball (called the “Mopet”) that picks up dirt and lint that can be brushed off. The price for one is US$8.8, and it runs on AA batteries. Next is their mopping device, also random in movement, which can run for 8-9 hours on two AA batteries. There is also a model with a water dispenser inbuilt for faster cleaning.
For more information visit: http://www.oceanrich.tw