Built in safety thermal fuse. Prevents overheating during prolonged use. 3 years warranty on motor. Superior &, reliable motor quality. Double pull cord. Easy-to-control speed and oscillation cord. 3 speed switch knob selector. Caters to different room temperature by soft pressing. With reliable swing control. Smoother spin, low noise, less vibration, extra durable. With aerodynamic design fan blade. Given stable, pleasant wind and energy saving. Free neck vertical adjustment. Convenience of use. Meets C.O.P. requirement. Energy saving. Meets energy efficiency standard (C.O.P)