Features 1、Imported Chip: With built in imported chip, the DC motor speed controller has an accurate and stable operation. Use it with confidence! 2、Self Recovery Fuse: Overcurrent disconnects the fuse, and automatically recovers after a few seconds of cooling, the auto recover function of the fuse is very convenient and saves time and effort! 3、Main Application: This DC motor controller operates smoothly with no noise no vibration,with power indication,wide duty cycle adjustment range. 4、Large Controllable Space: 0‑100% stepless speed regulation allows you to have greater control over the process of using your equipment. Very convenient! 5、Small Size: This DC motor speed controller is small in size, convenient for your installation and carrying. Specification Item Type: DC Motor Speed Controller Control Power: 90W (Peak) Quiescent Current: 0.015A (Standby State) PWM Duty Cycle: 1% - 100% PWM Frequency: 10KHz Package List 1 x Motor Speed Controller