ITEM NAME:6V-24V 3A DC Motor Speed Control Controller PWM Regulator Reversible Switch #gib Store Home Promotion Hot Item Add to Fav.PWM frequency: 21kHz. The maximum continuous output current: 3A. The input power range is DC 6-28V. Duty Cycle: 0%-100%. Health & Beauty. Duty Cycle adjustable: 0%-100%. Add to Fav. Button switches included.