1、POWERFUL VARIABLE FREQUENCY SUCTION: The window cleaning robot use advanced vacuum motor technology to provide a powerful suction force of 2800pa. The suction strength is intelligently adjusted according to the degree of dirt on the glass to ensure firm adherence to the glass surface. With excellent suction, easy to remove stubborn stains and grime from window 2、AI SMART ROUTE: With 3 smart route planning modes, the automatic window cleaner follow a Z shaped cleaning route to maximize cleaning efficiency and minimize missed points. Designed to detect window borders for all types of glass, including frameless window. After the cleaning task is completed, the robot will automatically return to the starting point, ensuring a worry free cleaning experience 3、MULTIPLE SAFETY PROTECTION: The robot window cleaner has a built in UPS (uninterruptible power supply system). The spare battery can be used in an emergency. To prevent the robot from falling in the absence of power supply, if your home unfortunately fails to power, in the case of electricity, the window opening robot can hold the window and monitor and alarm for 20‑40 minutes 4、DOUBLE DISK TWIST RUB, CYCLE ALTERNATE: Clean and transparent, double wheel twist rub imitation artificial hand rub, circular cleaning wheel imitation gesture twist waist swing hip, reach 70 revolutions per minute kneading movement, so that the glass to get twice the result with half the effort 5、REMOTE CONTROL AND BUTTON CONTROL: Simple operation, just press the body start button, you can automatically plan the route. And you can remotely control the route of the window cleaner and let it clean according to your needs Item Type: Window Cleaning Robot Material: ABS and fiber cloth Rated Power: 80W Battery Capacity: 500mAh Dimension: Approx. 295 x 145 x 90mm / 11.61 x 5.71 x 3.54in Suction: 2800Pa UPS Power Off Protection Period: 20 Minutes Control Mode: Infrared remote control Remote Control Battery: 2 x 1.5V AAA battery 1300mah Host Battery Capacity: 1 x 3.7V polymer lithium battery 500mAh Noise: 65dB Border Detection: Automatic Fall Control: UPS uninterruptible power supply system, safety rope Tank Capacity: 30ml Spray Mode: Automatic or manual Cleaning Modes: 3 Modes 1 x Window Cleaning Robot 2 x Spare Cleaning Ring 8 x Spare Cleaning Cloth 1 x Spray Bottle 1 x Remote Control 2 x Battery 1 x Charging Cable 1 x Adapter 1 x User Manual