Robotic Window Vacuum Wiper

FEATURES: Wide Use: Robotic vacuum cleaner working on multiple hard smooth surfaces, Compatible with all glass types, flat walls, tables, floors, and ceilings. Automatic: Artificial intelligence kit, auto mode in three directions, clean the whole window automatically. Multiple Mode: Manual control by remote control, up to down, left to right or right to left. Auto stop after job done. Power Protection: Built-in uninterruptible power system, keeps running for 20 minutes after AC power is disconnected. Anti-drop control design, Auto detect window frames. Valuable: Ultrafine fiber cleaning cloth which can be replaceable and washable more than 100 times, height-strength safety rope and buckle. Extension cord, 4 meters. It’s long enough for many houses.