... 13. easy to install, convenient to move.14. 90 degrees oscillation, three speed control.15. rain-proof design,outdoor ... " ,26" ,30"(2) Voltage: 110v,220(3) Frequency:50HZ(4) Fan height: adjustable(5) Fan oscillation adjustable: 90 degrees automatically(6 ... ) Fan tilt adjustable: 30 degrees(7) Available area: 50 square meters(8) ...