SereneLife Robot Automatic Vacuum Cleaner - Upgraded Lithium Battery 90 Min Run Time - Bot Self Detects Stairs Pet Hair Allergies Friendly Home Cleaning for Carpet Hardwood Floor

CLIFF DETECTION:The black robo vac has anti fall cliff sensors that will automatically self detect a gap and keep it from running of stairs

ALLERGY AND PET FRIENDLY: the automatic vacuum cleaner’s air filter keeps fine dust particles trapped inside removable dustbin. Bot features a no brush design does not clog with dog or cat hair like the units with a rotating under brush

DUAL ROTATING BRUSHES: the robotic floor cleaner has 2 side sweeper brushes extend the reach of the vacumn and rotate to catch dirt and debris on open floor or along walls or edges