Dual Use Can be Used as Both Dust Blower & Collector. - Compact Design for Easy Use. - Featuring a Thin Channel, Can be Used in Tight Places with a High Speed of Blowing. --- Technical Specifications: - Voltage: 220-240V - Frequency: 50/60Hz - Rated Power: 425W - No-Load Speed: 1300rpm - Max. Blowing Rate: 2.3m3/min --- Accessories Included: 1 Couple Carbon Brush, 1 Pc Blower Pipe, 1 Pc Ring, 1 Pc Dust Bag