The additional powerful "Max" mode of the new Windomatic Power guarantees with 50% extra suction power absolutely brilliant results in one go, even on very wet surfaces. With the particularly strong lithium-ion battery, up to 120 windows can be cleaned with one battery charge (1 window corresponds to 1 sqm). The flexible head of the Windomatic POWER ensures easy handling and strong suction power, so that you even achieve a streak-free shine on corners and edges. The Windomatic Power can also be used on other smooth surfaces such as shower cubicles, mirrors, bathroom tiles or car windows. Even horizontal surfaces such as tables or worktops can be easily cleaned of liquids. Easy to use: Wash 1st window as usual 2. Switch on Windomatic Power by pressing the grey button 3. For particularly wet areas: Switch on "Max" mode by pressing the red "Max" button 4. Vacuum window - done. After use, the dirty water tank (capacity = 100ml) can be easily removed using the 1-Click technology and cleaned under running water or in the dishwasher. 2 years warranty.