Feature: 1. DUAL SPIRAL CLEANING HEAD: The window cleaning robot features dual spiral cleaning heads and fine microfiber cleaning cloths, automatically detecting window frames and obstacles to effectively clean windows without scratching them. 2. REMOTE CONTROL: With a remote control that works within a 10 meter range, you can easily control the window cleaning robot from three different directions, providing automatic cleaning and manual directional cleaning modes. 3. ULTRASONIC WATER SPRAY NOZZLE: The robot is equipped with an ultrasonic water spray nozzle (40ml water tank) for a thorough and clean window cleaning experience without the need for manual spraying. 4. BUILT IN UPS SYSTEM: The built in Uninterruptible Power Supply (UPS) system allows the device to continue operating for 20 minutes in case of a power outage, ensuring uninterrupted cleaning performance. 5. POWERFUL VACUUM SUCTION: The robot features a built in vacuum motor with strong suction power, allowing it to stand on glass surfaces securely. A versatile cleaner compatible with various surfaces such as glass, tables, floors, ceilings, windows, and hard to cleaning areas. Specification: Item Type: Window Cleaning Robot Material: ABS Voltage: 100-240V Built in Battery: 500mAh Lithium on Battery Remote Control Battery: 2 x AAA Battery (not included) Rated Power: 90W AC Power Cord Length: 1.2m / 3.9ft DC Adapter Cord Length: 4m / 13.1ft Safety Rope Length: 4m / 13.1ft UPS Working Time: Approx. 20min Cleaning Speed: Approx. 4min/㎡ Maximum Working Window Size: Approx. 6 x 4m / 19.7 x 13.1ft Min Working Window Size: Approx. 0.35 x 0.35m / 1.1 x 1.1ft Suction Power: 5600 Pa Automatic Cleaning Modes: 3 Application: for Home, Beauty Salon, Office Building, Shop, Club, etc.. Package List: 1 x Window Cleaning Robot 1 x Remote Control 1 x Water Spray Bottle 1 x Replacement Spray Head 8 x Replacement Cleaning Cloths 2 x Replacement Cleaning Rings 1 x Adapter 1 x Cord 1 x User Manual