Ultra Thin Robot Vacuum Cleaner Window Cleaning Robot Window Cleaner Electric Glass Limpiacristales Remote Control for Home. We have local warehouses in Russia, Spain, Poland, and Ukraine. Hi Dear buyers, I’m glad you like this product. Please note that this product needs to be plugged in, not for charging. This one cannot be used for charging. The battery inside the robot is used to support the safety device to prevent falling. Wait 20 seconds after starting up until the blue light stop flashing, Then start working. Because the robot need 20sec to detect the glass plane. Binding the safety rope when using, Prevent falling from high altitude. Spray some water on the edge of the Mop when working, will be better effect. Pls choose the Russian and Spain warehou. If there is any damage, we will send you the parts for free, please you install it (we will send you the installation video). We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. We are always working hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.