della 12,000 btu mini split air conditioner ductless inverter system, 20 seer, 8 hspf energy efficient unit with 1 ton heat pump, pre-charged condenser & full installation kit della the newly designed split ac series delivers high performance from the moment it's activated. therefore, its competitive price makes it a consumer favorite that's tough to beat. the featured inverted technology is the latest evolution in compressor elector motors. inverter air conditioning units are quieter, more efficient, cost less to operate and have extended parts life. features: smart defrost - with fuzzy logic control box judging frosting or not, the ac unit will proceed to defrost according to indoor pipe temperature. wifi enable - can be control through della app. auto restart -if the ac unit switch off accidentally due to power outage, it will auto restart with the previous set mode when the power resumes. eco optimized - the frequency of the inverter is limited as well as power output and making the ac unit energy saving. dehumidification mode - when this mode turn on, the ac unit will choose current temperature then minus 1.8°f as setting temperature and hold steady till the process is done. meanwhile, the ac unit will dehumidify and drain out the water. specifications: color: white btu count: 12,000 btu recommended room size: 750 sq/ft voltage: 115v/60hz amps: cooling: 10.1 / heating: 10.4 seasonal energy efficiency ratio (seer):20 eer rating:10.5 temp range: 61 to 88 degrees fahrenheit ul listed: yes energy star rated: yes refrigerant: r410a indoor unit overall dimensions: 31.92"(w) x 8.07"(d) x 11.49"(h) outdoor unit overall dimensions: 28.66"(w) x 11.22"(d) x 21.65"(h) package include: 1 x mini split air conditioner 1 x remote control 1 x installation kit