ITEM NAME:1Pc x DC 5A PWM Speed Controller 3V-35V Speed Control Switch LED Dimmer HYBD3C Description: 100% brand new and high quality Operating Voltage: DC3V-35V Control Power: 90W (maximum) Quiescent Current: 0.015A (standby) PWM Duty Cycle: 1% -100% PWM Frequency: 10khz Size: 24*30mm Pckage Included: 1Pc x DC 5A PWM Speed Controller.PWM Duty Cycle: 1% -100%. PWM Frequency: 10khz. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Size: 24 30mm.