Robot SweeperSmart Robotic Vacuum Cleaner Automatic Remote ControlUS STOCK) SMART ROBOTIC VACUUM CLEANER: Sweeping and vacuuming, tangle-free. Powerful suction picks up hair, debris and dirt easily and efficiently. Working Noise: &lt;55db, keep your home quiet and peaceful SIMPLE HOME CLEANING: Wireless robotic vacuum cleaner tile, hardwood flooring and short carpet - Easy 1 touch power up! The robo vac has anti fall cliff sensors that automatically self detect a gap and keep it from running of stairs DUAL ROTATING BRUSHES: the robotic floor cleaner has 2 auto side sweeper brushes that extend the reach of the vacumn and rotate to catch dirt and debris in corners and on hard wood floor LONG-TIME BATTERY: 2200 MAH Ni-MH battery provides up to 150 minutes working time on floor(150m ), free up your time to enjoy your day LOW MINI PROFILE: The white electric vacuum robot features a 2.71inch thin low profile will travel through any room and is small enough to fit under the couch or bed in your house