Specification parameters(24V) Refrigerant: R134a Refrigerant Oil: POE68 Noise: 65db(A) Refrigerant filling amount: 420±10g Air volume: 240-440m3/h External size: 961*812*192mm Internal size: 533*311*122mm Weight: 32kg Energy effciency ratie: ≥2.7 Roted Power: 200-850W Coolding capacity: 2400W Compressor speed: 1000-3200