The Vevor mini split air conditioner is a 4-in-1 heating and cooling system designed for spaces up to 450 sq. ft. It provides 9,000 BTU cooling and heating performance with a 19 SEER2 efficiency rating for energy-saving operation. The inverter system uses R32 refrigerant and offers cooling, heating, fan, and dry modes for year-round comfort. Quiet operation, self-cleaning functionality, and a washable filter help make maintenance simple. It is suitable for home and office use.