Reliable Performance: Designed for rigorous industrial applications, this DC Motor Speed Controller ensures consistent operation in extreme conditions, including sub-zero environments, offering dependable performance when it matters most. Durable and Protective Design: Constructed with a robust housing, this controller not only safeguards the internal components from external damages but also promotes efficient heat dissipation, significantly extending the lifespan and reliability of the unit. Multipurpose Functionality: This controller goes beyond simple motor speed regulation. It is adept at dimming DC lamps and controlling the temperature of DC heaters, proving to be an indispensable tool for a wide range of practical applications. Broad Compatibility: Suitable for a variety of applications, this controller excels with DC brush motors, car cooling fans, air conditioning units, exhaust blowers, and treadmill motors, offering versatile solutions for your technical needs. Color: Silver Material: Metal Package Contents: 1 x Speed Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.