As a Dyson window cleaning accessory, it is compatible with all series of Dyson vacuum cleaners. Different from other glass cleaning robots, W1 is the world's first "glass vacuum cleaner", that can suck up dust from the glass by the help of a powerful suction vacuum adsorption.

The W1 is the first double-disc rotary wiper window cleaning robot combining cleaning power and speed.

Typically, you just need to start and set the gear, and the W1 will begin working automatically. During this period, you can take a shower or do anything else enjoyable.\

You can also switch to manual mode and easily control W1 through the keyboard if you need to control the cleaning position more precisely.

This window cleaning robot is unquestionably a great helper;  W1 can clean any kinds of stains like Hard water stains, Glass oxidation, and etc.\

According to kickstarter.com