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FMART T9 Window Cleaning Robot,Remote Control Robotic Window Cleaner,Auto Ultrasonic Spray Automatic Window Cleaner Robot,Include 12 Microfiber Cloths,for Indoor/Outdoor High Rise Windows/Ceilings The installation time when yourFMART T9 Window Cleaning Robot,Remote Control Robotic Window Cleaner,Auto Ultrasonic Spray Automatic Window Cleaner Robot,Include 12 Microfiber Cloths,for Indoor Outdoor High Rise Windows Ceilings