Keystone's 10000 BTU portable air conditioner with Follow Me remote control features 3 modes to keep you comfortable - cool fan and dry. Designed for a room up to 400 square feet features include manual front louvers for air direction electronic controls with LED display and a temperature sensing remote control. Quiet operation (52 dBA on low) helps you get a good night's sleep. Omni-directional casters roll the unit easily from room to room wherever you need relief. Plus this self-evaporative unit includes a flexible exhaust hose and window venting kit for quick and easy setup.