Item Type: Cordless Blower_x000D_Power Supply Voltage: AC 110-240V_x000D_Power Supply Type: Rechargeable-lithium battery_x000D_Battery Specification: 2000mAh Lithium battery_x000D_Rated Voltage: 21V_x000D_Rated Input Power: 1200W_x000D_Vacuum Device: Equipped_x000D_Air Volume: 3.8m3/min_x000D_Wind Pressure(Water Column): 1950kpa_x000D_Revolutions Number: 20000rpm_x000D_Standard Accessories: Two battery one charge 1The dust blower supports infinitely variable speed and can control the air volume according to the pressure. 2The blower has a built-in filter inlet, which can prevent large particles generated during use from clogging the machine. 3The blower handle is ergonomically designed, it is not easy to slip and easy to hold during use, and is suitable for long-term operation. 4The blower has a fast running speed, a large air output, and a good blowing and suction effect. 5This blower can be used for multiple purposes, as a hair dryer or vacuum cleaner, widely used in industrial manufacturing, electrical equipment or household cleaning. 1 x Blower 1 x Air Duct 1 x Hoop 1 x Dust Bag 2 x Battery Box 1 x Adapter 1 x User Manual