● Excellent Water Resistance: With an IPX4 waterproof rating, the air blower can safely work on wet or drizzle days without the risks of short circuits and failure. Also, its power switch is fitted with a sealed cover to isolate external water and maintain qualified dryness. ● Longer Wire with GFCI: The power cable of ETL certificated blower is fitted with a GFCI which will instantly cut off the circuit when an abnormality occurs to avoid electric shock accidents. Moreover, its length reaches 25ft, offering you adequate space to move around and making it easier to connect the power. ● Strong Motor and High Efficiency: The 550W (0.7HP) blower features a powerful motor with a high speed of 3260RPM to offer a strong air volume up to 26m/s. Through an air vent with a diameter of 4.5", diverse.