Internal machine type：Up wind; External machine type：Back type Rated voltage：12V; Rated maximum input current：77A Rated maximum input power：924W Frequency conversion/fixed frequency：Frequency conversionHeating or cooling type：Single cool Rated maximum cooling capacity：2500W External machine size（mm） :W630×D430×H248 External machine weight:18.5.0kg Internal machine size （mm） :W665×D200×H320 Internal machine weight:6.0kg ; Temperature range: (18-28)℃ Refrigerant type:HFC-407c; External machine waterproof rating:IPX7