Internal machine type：Down wind External machine type：Bottom mounted (single fan); Rated voltage：48V Rated maximum input current：18.75A; 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