Costway 863 CFM 3-Speed 3-In-1 Portable Evaporative Cooler for 450 sq.ft.

With washable honeycomb cooling pad and dust filter, the air cooler can remove dust while increasing the moisture in the air. Ultimately, you can enjoy a cool and fresh space. When you turn on the fan mode, there are 3 modes (normal/ natural/ sleep) and 3 speeds (low/ medium/ high) for choice. You can also adjust the shutter horizontally 60° and vertically 90° for even coolness spread. Before going to bed, you can add 1.3 Gal. water and put 2 iced boxes in the tank, then set the 15-hour timer and running mode in advance with the smart control panel or remote control (max remote distance: 16.5 ft.). The air cooler will shut off automatically and quietly (noise 58 dB) when time’s up. During sleep, the overheat protection will ensure the using safety.