【3 in 1 Window Vacuum Squeegee】Window vacuum combines the 3 functions of Spraying, Cleaning,Suck Water to meet standard/strong cleaning needs in daily life. 【Strong Suction】With a built-in 2000 mAh rechargeable battery, this window vacuum squeegee can work continuously for about 30 minutes, Our fast charging technology includes lithium-ion battery surge protection to ensure safe operation. 【Easy to Use】First mist the surface by using the included spray systems, then wipe away dirt and stains with the microfiber pad attached to the window vacuum, and finish by vacuuming up the dirty water with the window vac without any streaks or drips left. 【All-Around cleaning】Suitable for cleaning most smooth surfaces, such as glass, ceramic tile micro-crystal cooktops, glass tea, etc.which can easily and efficiently clean up the dirty water without any water streaks or scratches left on the glass. 【Cordless Design】Wireless design allows you to easily handle water in every corner of the glass with one hand. the noise is less than 70 decibels, which will not bring extra disturbance to your life and work.