Shinco SPAE12W SPAE12W-12000 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