"Well-designed housing: The well-designed housing can protect the controller card from damage and dissipate heat. Simple and easy to use DC motor speed controller with an elegant appearance and stable performance. Works under 32°F: This motor speed controller can operate normally when the operating temperature is below 32°F. Multifunctional: This motor speed controller can also be used to dim DC lamps or control the DC heater. Universal: The universal speed controller can be used for DC brush motors, suitable for car cooling fans, car air conditioning motors, exhaust fans, treadmill motors, etc."
