PWM DC Motor Speed Controller：Ultra-low voltage dc motor governor with switch function. With a self-recovery fuse and Power-On LED light.
Secure Enough：The speed controller is equipped with a self-recovery fuse. When the current is too large, the fuse is automatically disconnected. After cooling, the fuse is automatically restored.
Widely Applications：It is suitable for the speed regulation of DC motor, fan, fish tank oxygen pump and other products
