The Liectroux G9 is a robotic window cleaner with two electric cleaning arms, eight nozzles and a 120 ml water tank. It uses suction to stay attached to the glass and moves its arms to imitate hand washing.
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Drive system and glass cleaning
A dual-motor system and the cleaning arms help mechanically remove dirt, including dried-on deposits and grease. The device also uses a brushless motor designed for reliable, low-noise operation. The available specifications do not establish the exact relationship between the motors and the individual arms.
Eight high-pressure nozzles spray water onto the glass to help loosen dirt. A nano-fine microfiber material then wipes the surface, helping to limit streaks while being gentle on glass.
The 120 ml tank is stated to cover approximately 30 m² of glass per fill. Larger areas may therefore require a refill, and actual coverage depends on how cleaning is carried out.
Suction, navigation and controls
The Liectroux G9 produces suction of up to 10,000 Pa. This figure describes the pressure difference used to hold the robot against the surface, not its electrical or cleaning power.
An AI chip assesses conditions on the glass and helps the device adjust its operation. The robot also plans a route to work systematically across the surface. It supports cleaning frameless glass, so it can be used on suitable glass surfaces in homes and offices as well as conventional windows.
Cleaning can be controlled with a remote control or a mobile app. Remote operation does not replace correct placement and securing of the device in accordance with the manual.
Backup power and safe use
The G9 has a UPS backup power system with a stated runtime of more than 30 minutes. However, the available description does not say which functions the UPS powers during an outage or how long it will keep the robot attached under the conditions in question. Do not assume that the device will finish cleaning during an outage or that backup power alone will prevent a fall.
Before use, follow the manufacturer’s instructions for placing and securing the robot and for handling a power outage. Also check the manual for restrictions relating to the particular surface and operating conditions.
