Yujin Robot eX500 Smart Home/Office Vacuum Cleaner and Floor Mopping Robot with Camera Recognition Vision Mapping and Navigation System, Full Micro-Fiber Mopping Pads Imported 2 in 1 vacuum and mopping with the Infrared remote 15 sensor monitor, camera Recognition vision mapping and navigation system minimize collision Extremely quiet and powerful. 58DB noise level V-type Main brush shawl is designed in a way that the Main brush doesn't get Tangled with hair or debris and increases the pick-up performance Advanced navigation: system detects ambient environment 200 times per second and does a rigorous 10,800 times per second movement analysis for superior cleaning