Internal machine type：Down wind; External machine type：Roof top Rated voltage：12V; Rated maximum input current：75A Rated maximum input power：900W Frequency conversion/fixed frequency：Frequency conversion Heating or cooling type：Single cool; Rated maximum cooling capacity：2700W External machine size（mm） :W630×D430×H248 External machine weight:22.0kg Internal machine size （mm） :W665×D200×H320 Internal machine weight:7.0kg ; Temperature range: (18-28)℃ Refrigerant type:HFC-407c; External machine waterproof rating:IPX7