Metal impeller Inverter fanSize: diameter 280Voltage: 230V (50/60HZ)Current: 1.00APower: 225WSpeed: 2700RPMAir volume: 2110 m3/hWind pressure: 750PANoise: 76DBAUse environment: -25~60°Service life: 50,000 hoursNet weight: 3.5KGCCC;EAC