Take the strain out of window cleaning with the Loheer X1 Automatic Window Cleaning Robot. Designed for modern homes with large windows, balcony doors, bathroom glass and other smooth glass surfaces, the X1 combines auto spray, variable suction, remote control and spot cleaning to help remove everyday dust, rain marks and smudges with less effort. Its 85 ml visible water tank and two spray levels help match the cleaning approach to the dirt level, while the brushless motor, independent air duct, backup battery and safety rope support a more convenient and confident cleaning experience.