Rotech Rv02 4-in-1 Series Robotic Vacuum Cleaner with Remote Control, Silver Sensor detects stairs to avoid falling down, Automatically returns to dock for self-recharging when low on battery power Special build-in UV light to kill bacteria, germs, dust mites and allergens on the floor. exclusively with the Dry Mopping feature, A Small Cloth-Mop will wipe the floor for a complete Cleaning, Ideal for allergens and pet hair Vacuuming with lower noise compared to other Brands 50db level. Package Contents: Rotech Smooth 4-in-1 Robotic Vacuum, Home Docking station, Remote Control, Space Isolator, adopter, filter, Cleaning Brush, 2 Cloth-mops, extra side brush, and User Manual