Product Name：?[ceiling Pipe style exhaust fans] Product TypeP: SG9008, SG9010,SG9013,SG9016 Rated Voltage: 250V/230V/220V/110V Rated frequency: 50Hz/60Hz Rated input power: 20W~30W Air output : 210m3/h~465m3/h Noise: ≤50dB Installation dimensions (L﹡W): 200*200 225*230 250*250 275*280 (mm) Cover material : ABS Powerful motor, suitable for high residence. Shutter design, safe and beautiful Indoor installation is available