Welcome to the store! 1. Imported Chip: Featuring a built-in imported chip, this DC motor speed controller offers precise and stable operation. Use it with confidence! 2. Self-Resetting Fuse: Overcurrent trips the fuse and automatically resets after a few seconds of cooling. The fuse's automatic reset function is very convenient and saves time and effort! 3. Main Use: This DC motor regulator operates smoothly without noise or vibration, with power indication and a wide duty cycle adjustment range. 4. Large Controllable Space: 0 Stepless speed regulation gives you greater control over the process of using your equipment. Very convenient! 5. Small Size: This DC motor speed controller is small in size, which is convenient for your installation and transportation. Item Type: DC Motor Speed Controller Standard Working Voltage: DC 5V-35V Non-standard Two-Point Short Circuit Working Voltage: DC 3V-15V Control Power: 90W (Peak) Quiescent Current: 0.015A (Standby) PWM Duty Cycle: 1% - 100% PWM Frequency: 10KHz 1 x Motor Speed Controller