Features: Introducing the cordless Electric Telescoping Cleaning Robot, engineered with cordless and adaptive telescopic arms to effortlessly tackle high rise window and hard to reach spots, delivering streak on glass surfaces. Featuring ABS built body with scaling technology, this automatic glass cleaner adjusts from 12" to 36" height, while microfiber and anti drop sensors thorough cleaning and operational safety. Ideal for apartment dwellers, multi story homeowners, and commercial spaces requiring regular maintenance of floor to ceiling window or glass partitions. Perfectly designed for cleaning balcony railings, skylights, office building facades, and window where manual scrubbing poses challenges or safety risks. Its quiet motor and 90 per make this electric telescopic cleaner a must have upgrade for maintaining views in residential and professional environments year round. Specifications: Product name: cordless automatic cleaner Product weight: 920g Working : 3.7V/1200mAh Working hours: 90 minutes Charging time: about 3 hours (USB charging) Cleaning function: automated cleaning machine Package Includes: 1xGlass Robot note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.