Two-in-one functions an Air purifier and a fan providing clean air With 1-9 air speeds plus sleep or high power modes, all operated by a remote control so you can adjust breeze levels according to your preference Features a below 55db noise level for a peaceful, silent, sleep space Designed with an 80?ø oscillation function that efficiently blows a stream of cool air to the entire room 23ƒ?� Bladeless Tower Fan with Air Purifier boasts an 8-hour timer off, remote control, and touch-sensitive controls, making it ideal for bedroom and sleeping 1 Year Warranty