Battery Powered or AC Cord PoweredWhen we are focus on something job,we need a cooling environment to finish it,This very portable convenient fan is powered by your 18V tools lithium battery,compatible with Milwaukee M18 14.4V,18V,20V 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.(No Battery) Cordless Portable Fan Hipoke cordless fan two ways powered--battery powered or DC adapter powered,which could be used in a variety scenarios.Put it any where -bedside, office table, kitchen room, Bring it to a trip, camping,barbeque,fishing,garage,gym,job site work,painters.Easy carry with portable handle,Stable feet seat for good balance,you will have a enjoyable,quiet,stable cooling wind outdoors or indoors. Variable Speed ControllableVariable tilt fan head,Manually tilts 90 up and 45 down for convenient redirection of airflow,you can adjust to the best angle to enjoy the cool wind. Delivery maximum airflow up to 3500CFM,3 variable speed adjustable:low,medium,high.that allows you to adjust the settings to suit your needs and you can turn the fan up or down depending on the temperature.3 timing setting mode:1 hour,2 hours,4 hours.No worry about forget to turn off the fan. Premium MaterialsOur Products comply with FCC RoHS and CE Security Testing Standards.Adopting premium ABS fireproof materials with durable casing.Size: 11" x 6" x 12" Inch. Weight: 2.8Lb.