Features:5A Mini for DC Motor PWM Speed ControllerBy screwing the potentiometer, you can turn off power supply output. High voltage and high current resettable fuse, overcurrent automatic disconnection, power off for cooling for a few seconds fuses automatic recovery.Default disconnection of short circuit point. Please note: the operating voltage can be switched to 4.5V-35V by bridging the connectors marked '4.5V-35V' on the PCB. Specifications:Operating Voltage: for DC 4.5V-35VOutput Current: 0-5AControl Power: 90W(Max.)Quiescent Current: 7uA(Standby)PWM Duty Cycle: 1% -PWM Frequency: 20khzSize: 26x30mm/1.02x1.18"Quantity: 1 Pc Note:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youNo Retail PackagePackage Contents:1 x Speed Controller