Compact 30" size with small footprint. Efficiently cools with minimal increase to air humidity. Runs more than 10 hours on a full tank of water with automatic low water shut off. Does not require a permanent water source. Operates on a standard 120 volt outlet. Easy-to-use locking foot brake. 12 in solid rubber tires will never go flat. Suitable for both indoor and outdoor use. No break-in period – ready to use out of the box.