Washing windows is tiring, tedious work, and it can even be completely nerve-wracking. This robotic window cleaner is perfect to deal with this issue with built-in AI technology, free your hands from those tiring and tedious work. Power failure protection: support UPS, built-in uninterruptible power system, continuous 25 minutes of power, anti-drop control algorithm, automatic return to the starting position. Gravity sensing: support G-sensor. Built-in sensor: support for MEMS automatic detection, automatic stop after finish cleaning. Remote control: support infrared remote control (inside and outside). Safety rope: high-strength safety rope (tensile strength 150kgf) with buckle, cleaning speed: 4 minutes per square meter.An anti-fall system together with high tensile-strength cord prevents this device from falling down even when in power loss or suction failure. SATISFACTION GUARANTEED - We stand behind our product so the carduran comes with a full 1-year unlimited warranty to ensure that there is no risk to you.