Violent fan:CompatibilityInput 18-22V tool lithium battery (14.4V not available), current 2-15A, 4 levels in total, 20W, 60W, 100W, 160WParameter 2: When fully charged, the distance between the air outlet and the speedometer is 10cm, and the wind speeds in four gears are 8-17-25-30 meters/second. The distance between the air outlet and the speedometer is 20cm, and the wind speeds in four gears are 5-10-15-18.5 meters per second. The distance between the air outlet and the speedometer is 30cm, and the wind speeds in four gears are 4-8-14 meters per second. The maximum wind speed in each gear is 0.2KG. Compatible for Makita 18V BatteryThis Mini Jet Blower for Makita 18V lithium batteries, such as BL1830,BL1830B, BL1840, BL1840B, BL1850, BL1860B (Battery NOT Included)Compatible For Dewalt 20V battery:The Jet Fan MINI Blower only Compatible for Dewalt 20V LithiumBattery : DCB200 DCB201 DCB203 DCB204 DCB206 DCB606 DCB609 etc.Compatible For Milwaukee M 18 18V battery:The Jet Fan MINI Blower only Compatible for Milwaukee M 18Lithium Battery : 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828, 48-11-1840, 48-11-1841,48-11-1850, 48-11-1852, 48-59-181, 48-59-1850, 4932352071, 4932430063, etc. Package Includes:1 * Violent Fan (battery not included) Note: Products with electrical plugs are designed for US Plug. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.