Power Source:SolarType:Ventilation FanInstallation:RoofMaterial:galvanized steelCertification:CEPower (W):20Voltage (V):18Air Duct:14 inchMotor:DC brush / brushless motorSolar Panel:20 watt (365*410*25mm)Product Size:530x530x250mmColor:Black, Green, Orange, WhiteAir Flow:720 CFMCase Material:Galvanization steelPacking:1pc/carton/0.148 cbmProduct Weight:16.4 kgsMotor Speed:1550RPM Show More