Specification parameters(12V) Name of air conditioner: Multifunctional model Refrigerating capacity: 1800W Air volume: 240-450m3/h Power: 200-750W Noise: ≤65db(A) Energy effciency ratie: ≥2.4 Refrigerant: R134a Refrigerant filling amount: 500±10g Compressor speed: 1000-2300r