ITEM NAME:Mini DC Motor PWM Speed Controller 5A 4.5V-35V Speed Control Switch LED Dimmer Z a.imagelink a:hover.imagelink {color:#db3606;.PWM Duty Cycle: 1% -100%. PWM Frequency: 20khz. Default disconnection of short circuit point. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
