Amtidy A330 Mini Robot Vacuum Cleaner, Smart Amrobot Robotic Cleaner One key for the wall following - Sweep following the wall makes the corner cleaning work easily and more thoroughly; On-board scheduling - It can be scheduled to perform up to seven cleaning sessions per week; Automatically Recharge - The cleaner will automatically find charging docking station when in low power, after full charge, it will go on working; Ultra-thin Design: Only 8.7 cm high, it can easily move under table, chair, sofa, bed and other furniture; Dual side brushes make cleaning job more thoroughly;