Clean the outside of your windows easily from the inside! Clean the exterior of high-rise windows effortlessly. Get this device now. Thanks to powerful magnetic technology, wiping the inside of the window cleans the outside as well. Safe: No need to reach outside the window or risk leaning out. Anti-falling rope: 1 sturdy safety rope tied to your wrist so the exterior piece won't drop. High-quality sponge and rubber scraper remove dirt and water flawlessly without scratching the glass. Usage: 1. Tie the safety rope to your wrist. 2. Dampen the cleaner slightly with water and apply a bit of glass cleaner or liquid. 3. Set one part inside the window and the other outside using the magnets. 4. That's it! Wipe carefully from the inside, and both sides will shine together.