South Korea's RF company (Robot of the Future) was established in 2014, specializing in the development of intelligent window cleaning robots and curtain wall window cleaning systems, in 2015 RF company developed the Windowmate window cleaning robot, once launched, it became a big sensation. In 2017, RF participated in the CES exhibition held in Las Vegas, and its "Windowmate" window cleaning robot won the 2017 CES Innovation Award.
 
The Windowmate Window Cleaning Robot is different from the general Window Cleaning Robot, it does not use the common vacuum adsorption principle, its body is divided into two parts, which are placed on the inside and outside of the glass when working, and are firmly adsorbed by permanent magnets, which is enough to resist strong winds. This design not only greatly reduces the noise problem during operation, but also completely solves the problem that vacuum adsorption is easy to fall. The only downside to this design is that the user must be able to reach both sides of the window at the same time, since you need to install the Windowmate on the inside and outside of the window.
 
This robot is full of technology, its body is equipped with four sensors, will not miss any corner of the window, it will automatically measure the size of the window when working, after sensing the glass area, with its 4 microfiber rags with a patented cleaning solution to wipe back and forth in a "Z" shape cleaning path, excellent cleaning ability. In terms of cleaning efficiency, it can move 8 centimeters per second, and it takes about 4 minutes to clean an area of 1 square meter, which is slightly inferior to the above three brands.
 
The Windowmate is available in two models, one for glass thicknesses of 5 to 15 mm and one for 16 to 24 mm. It is worth mentioning that this product needs to be charged for two and a half hours before use, and the working time is 90 minutes, which is enough for general household window wiping. In addition, it will automatically return to the starting position when the scrubbing is finished or when the battery is too low. In addition to being suitable for use at home, Windowmate can also attract business when cleaning shops on the street, all you need to do is install an LED advertising kit on the outside of the machine to attract attention while cleaning the windows. Unfortunately, there is no way to buy this product in China, and it is priced at 97,200 yen, or about 5,606 yuan, on Rakuten's official website, which is a higher price.