Easy Installation: Simple to use with a mini size and elegant appearance, requiring minimal setup. Metal Shell: Constructed with high-quality metal, offering durability and protection. Adjustable Speed Control: Features a linear potentiometer for precise 0- speed regulation. High Current Output: Supports up to 70A current output, ideal for high-power DC motors up to 4000W. High Voltage Range: DC 12V-60V input voltage range ensures compatibility with motor applications. Color:As Shown Material:Aluminum Alloy Package Contents: 1 * 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.