Specification parameters(12V) Refrigerant: R134a Refrigerant Oil: POE68 Noise: 63db(A) Refrigerant filling amount: 340±10g Air volume: 240-400m3/h External size: 734*762*193mm Internal size: 407*243*150mm Weight: 26kg Energy effciency ratie: ≥2.3 Roted Power: 200-800W Coolding capacity: 1900W Compressor speed: 1000-2300