Window Cleaning Robot 2800Pa Suction Power Edge Detection Technology Smart Window Vacuum Cleaner for Home EU Plug Item Type: Window Cleaning Robot Material: ABS Host Battery: Built in lithium battery 500mAh (built in) Remote Control Batteries: 2 x AAA batteries (not included) Rated Power: 90W AC Power Cord Length: Approx. 1.2m / 3.94ft DC Adaptor Cable Length: Approx. 4m / 13.12ft Safety Cord Length: Approx. 4m / 13.12ft UPS Operating time: About 20min Cleaning Speed：About 4min/㎡ Maximum Working Window Size: Approx. 6 x 4m / 19.7 x 13.1ft Minimum Working Window Size: Approx. 0.35 x 0.35m / 1.1 x 1.1ft Suction Power: 2800 Pa Automatic Cleaning Mode: 3 kinds Applicable Places: Home, beauty salon, office building, shop, clubhouse, etc. How e: 1. Make sure the robot is fully charged (green LED on) before use. To recharge the built in battery, turn off the switch and connect the power adapter. When the orange light is on, it means charging mode, and when the green light is on, it means fully charged. 2. Please check the safety cord and buckle for damage. Be sure to fasten the safety cord before use and attach it to a fixture in your home. 3. Before use, please make sure the cleaning ring is fixed on the cleaning wheel to ensure great vacuum adsorption of the robot and spray cleaning water according to the specification. 4. When the window cleaning robot is working, it must be connected to the power adapter to work properly. 5. Plug in the power adapter, switch on the robot (blue LED) and make sure the motor is working, then stick the robot on the glass about 10cm away from the frame (for robot self test). 6. Make sure the robot is firmly fixed to the glass and that the safety cord and power cord do not interfere with the robot cleaning path. 7. Press the auto clean button on the remote control and the robot will move from the bottom to the top of the window and then move in a jagged pattern, cleaning the window from left to right and top to bottom. After cleaning, the robot will return to its starting position at the bottom and make a drop sound. 8. If the robot accidentally stops in an inaccessible place, gently pull it back with the safety cord. 9. When disassembling the robot, please hold the safety rope with one hand and remove the robot with the other hand, then switch off the power.