Shinco SPAZ10W-10000 BTU Portable Air Conditioner, Compact Next generation condensate self-evaporation design which (depending on usage) will limit the frequency you need to drain the unit, and is more energy-saving and environment friendly It has an L type evaporator design enabling a more compact and efficient body, which makes the A/C very portable and convenient to move around on the universal caster wheels Internals are designed to run Quietly, which allows you to use even while sleeping and still provide a very powerful supply of cool air Wide angle of air output with auto swing function for horizontal louvers Self-diagnosis function, 24h on/off timer function, and the Compressor is programmed with protective function of automatic restart after 3min time delay