PowerZone 12 in H Oscillating Tower Fan, dual powered: 120V plug or USB port, quiet and efficient three speed motor, 60 degree full room oscillation, LED digital display, and programmable timer 0.5 hour – 7.5 hours. Easy-to-use touch button control and built in carrying handle.Dual powered: 120 V plug or USB portQuiet and efficient three speed motor60 deg full room oscillationLED digital displayProgrammable timer 0.5 to 7.5 hrEasy-to-use touch button control and built-in carrying handle