Features Self Recovery Fuse: Overcurrent disconnects the fuse and automatically restores after a few seconds of cooling. The automatic recovery function of the backup is very convenient and saves time and effort! Wide Controllable Range The stepless speed regulation from 0 to 100 percent allows you to have better control over the use process of your equipment. Very pleasant! Main Application This DC motor controller works smoothly, without noise, no vibration, with power indicator and large adjustment range for the working cycle. Imported Chip With the built-in imported chip, the DC motor speed controller has accurate and stable operation. Use it with confidence! Small Size This DC motor speed controller is small and convenient for your installation and transportation. Specification: Item Type:DC Motor Speed Controller Standard operating voltage: DC 5V-35V. Non-standard two-point short circuit operating voltage: DC 3V-15V. 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 Package List 1 x Motor Speed Controller