Description:90W DC 3V-35V Motor PWM Speed Controller Switch LED Fan DimmerSpecifications:Model: ZS-X4BOperating Voltage: DC 3 V- 35 VControl Power: 90 W (Max)Quiescent Current: 0.015 A (Standby)PWM Duty Cycle: 1% -100%PWM Frequency: 10khzSize: 45 x 25 x 15 mm (L*W*H)Feature:With high voltage and high current resettable fuse、 overcurrent automatic disconnection、 cooling off a few seconds after the automatic recovery fuse、 almost never have to change a fuse.Package Included:1x DC PWM speed controller More Details: